Answer:
16
Step-by-step explanation:
The ratio of y-value to x-value is 3 to 4, or 3/4.
For the ratio of the point with a y-value of 12, we have 12/x.
This gives us the proportion
3/4 = 12/x
Cross multiplying, we have
3(x) = 4(12)
3x = 48
Divide both sides by 3:
3x/3 = 48/3
x = 16
