Fractions, Decimals, Converting Fractions, Decimals, And Percents, Ratios, Exponents Worksheet With Answers Page 13
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30Ratios
-
Relating part of an amount to the whole or another part.
Example: You have a basket of 20 balls: 9 white and 11 red.
What is the ratio of white balls to the red balls?
9 (white balls)
11 (red balls)
Proportion
-
A statement comparing two ratios.
Example: 1 is to 2 as 8 is to 16
1 = 8
2
16
Solving for the Unknown in Proportions:
3 = N
4 16
-
N is the missing number.
-
Find the cross product of the numbers you know (multiply diagonally).
Example: 3 x 16 = 48
4 x N = 4N
48 = 4N
-
Divide each side by the number that is with the unknown (N).
48 ÷ 4 = 12
4N ÷ 4 = N
Answer: N = 12
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education