Home / 10,761.38-16,140.87-3,740.18

Finding the Fourth Proportional to 10,761.38, 16,140.87 and 3,740.18

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Solution

The fourth proportional to 10,761.38, 16,140.87 and 3,740.18 is: 5,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.38 : 16,140.87 = 3,740.18 : x
  2. Step 2: Convert to fraction form
    10,761.38/16,140.87 = 3,740.18/x
  3. Step 3: Cross multiply
    10,761.38x = 16,140.87 × 3,740.18
  4. Step 4: Simplify right side
    10,761.38x = 60,369,759.16
  5. Step 5: Solve for x
    x = 60,369,759.16/10,761.38
  6. Step 6: Final answer
    x = 5,609.85

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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.