Home / 10,339.89-15,500.58-3,761.43

Finding the Fourth Proportional to 10,339.89, 15,500.58 and 3,761.43

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Solution

The fourth proportional to 10,339.89, 15,500.58 and 3,761.43 is: 5,638.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.89 : 15,500.58 = 3,761.43 : x
  2. Step 2: Convert to fraction form
    10,339.89/15,500.58 = 3,761.43/x
  3. Step 3: Cross multiply
    10,339.89x = 15,500.58 × 3,761.43
  4. Step 4: Simplify right side
    10,339.89x = 58,304,346.63
  5. Step 5: Solve for x
    x = 58,304,346.63/10,339.89
  6. Step 6: Final answer
    x = 5,638.78

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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.