Home / 10,839.38-16,265.14-10,756.76

Finding the Fourth Proportional to 10,839.38, 16,265.14 and 10,756.76

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Solution

The fourth proportional to 10,839.38, 16,265.14 and 10,756.76 is: 16,141.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.38 : 16,265.14 = 10,756.76 : x
  2. Step 2: Convert to fraction form
    10,839.38/16,265.14 = 10,756.76/x
  3. Step 3: Cross multiply
    10,839.38x = 16,265.14 × 10,756.76
  4. Step 4: Simplify right side
    10,839.38x = 174,960,099.13
  5. Step 5: Solve for x
    x = 174,960,099.13/10,839.38
  6. Step 6: Final answer
    x = 16,141.16

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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.