Home / 10,498.38-15,747.57-3,572.88

Finding the Fourth Proportional to 10,498.38, 15,747.57 and 3,572.88

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Solution

The fourth proportional to 10,498.38, 15,747.57 and 3,572.88 is: 5,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,498.38 : 15,747.57 = 3,572.88 : x
  2. Step 2: Convert to fraction form
    10,498.38/15,747.57 = 3,572.88/x
  3. Step 3: Cross multiply
    10,498.38x = 15,747.57 × 3,572.88
  4. Step 4: Simplify right side
    10,498.38x = 56,264,081.30
  5. Step 5: Solve for x
    x = 56,264,081.30/10,498.38
  6. Step 6: Final answer
    x = 5,359.31

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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.