Home / 10,279.17-15,418.80-4,042.13

Finding the Fourth Proportional to 10,279.17, 15,418.80 and 4,042.13

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Solution

The fourth proportional to 10,279.17, 15,418.80 and 4,042.13 is: 6,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.17 : 15,418.80 = 4,042.13 : x
  2. Step 2: Convert to fraction form
    10,279.17/15,418.80 = 4,042.13/x
  3. Step 3: Cross multiply
    10,279.17x = 15,418.80 × 4,042.13
  4. Step 4: Simplify right side
    10,279.17x = 62,324,716.95
  5. Step 5: Solve for x
    x = 62,324,716.95/10,279.17
  6. Step 6: Final answer
    x = 6,063.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.