Finding the Fourth Proportional to 18,063.88, 24,929.34 and 10,107.48
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Solution
The fourth proportional to 18,063.88, 24,929.34 and 10,107.48 is: 13,948.99
Step by Step Solution
- Step 1: Write the proportion equation
18,063.88 : 24,929.34 = 10,107.48 : x - Step 2: Convert to fraction form
18,063.88/24,929.34 = 10,107.48/x - Step 3: Cross multiply
18,063.88x = 24,929.34 × 10,107.48 - Step 4: Simplify right side
18,063.88x = 251,972,805.46 - Step 5: Solve for x
x = 251,972,805.46/18,063.88 - Step 6: Final answer
x = 13,948.99
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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.