Home / 10,206.38-15,310.53-3,966.87

Finding the Fourth Proportional to 10,206.38, 15,310.53 and 3,966.87

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Solution

The fourth proportional to 10,206.38, 15,310.53 and 3,966.87 is: 5,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.38 : 15,310.53 = 3,966.87 : x
  2. Step 2: Convert to fraction form
    10,206.38/15,310.53 = 3,966.87/x
  3. Step 3: Cross multiply
    10,206.38x = 15,310.53 × 3,966.87
  4. Step 4: Simplify right side
    10,206.38x = 60,734,882.14
  5. Step 5: Solve for x
    x = 60,734,882.14/10,206.38
  6. Step 6: Final answer
    x = 5,950.68

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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.