Home / 10,377.40-15,566.10-3,451.90

Finding the Fourth Proportional to 10,377.40, 15,566.10 and 3,451.90

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Solution

The fourth proportional to 10,377.40, 15,566.10 and 3,451.90 is: 5,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.40 : 15,566.10 = 3,451.90 : x
  2. Step 2: Convert to fraction form
    10,377.40/15,566.10 = 3,451.90/x
  3. Step 3: Cross multiply
    10,377.40x = 15,566.10 × 3,451.90
  4. Step 4: Simplify right side
    10,377.40x = 53,732,620.59
  5. Step 5: Solve for x
    x = 53,732,620.59/10,377.40
  6. Step 6: Final answer
    x = 5,177.85

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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.