Question 544858
How do I determine if the quantity of each pair of ratios are porportional in 9/5 = 27/15.

 9                27
-  =  -
 5               15

take any two horizontal values,

9 and 27 /   5and 15

divide the large with small one.

27/9 = 3
or
15/5 = 3


So the ratio is;
1 : 3

Hope u got your answer.
If u need more help, email me thanks.