Home / 10,432.38-15,638.65-3,853.56

Finding the Fourth Proportional to 10,432.38, 15,638.65 and 3,853.56

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Solution

The fourth proportional to 10,432.38, 15,638.65 and 3,853.56 is: 5,776.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.38 : 15,638.65 = 3,853.56 : x
  2. Step 2: Convert to fraction form
    10,432.38/15,638.65 = 3,853.56/x
  3. Step 3: Cross multiply
    10,432.38x = 15,638.65 × 3,853.56
  4. Step 4: Simplify right side
    10,432.38x = 60,264,476.09
  5. Step 5: Solve for x
    x = 60,264,476.09/10,432.38
  6. Step 6: Final answer
    x = 5,776.68

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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.