Finding the Fourth Proportional to 18,502.62, 25,533.99 and 10,119.66
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Solution
The fourth proportional to 18,502.62, 25,533.99 and 10,119.66 is: 13,965.34
Step by Step Solution
- Step 1: Write the proportion equation
18,502.62 : 25,533.99 = 10,119.66 : x - Step 2: Convert to fraction form
18,502.62/25,533.99 = 10,119.66/x - Step 3: Cross multiply
18,502.62x = 25,533.99 × 10,119.66 - Step 4: Simplify right side
18,502.62x = 258,395,297.24 - Step 5: Solve for x
x = 258,395,297.24/18,502.62 - Step 6: Final answer
x = 13,965.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.