Finding the Fourth Proportional to 16,085.40, 22,202.46 and 14,512.92
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Solution
The fourth proportional to 16,085.40, 22,202.46 and 14,512.92 is: 20,031.99
Step by Step Solution
- Step 1: Write the proportion equation
16,085.40 : 22,202.46 = 14,512.92 : x - Step 2: Convert to fraction form
16,085.40/22,202.46 = 14,512.92/x - Step 3: Cross multiply
16,085.40x = 22,202.46 × 14,512.92 - Step 4: Simplify right side
16,085.40x = 322,222,525.78 - Step 5: Solve for x
x = 322,222,525.78/16,085.40 - Step 6: Final answer
x = 20,031.99
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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.