Home / 10,877.99-16,318.17-3,480.71

Finding the Fourth Proportional to 10,877.99, 16,318.17 and 3,480.71

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Solution

The fourth proportional to 10,877.99, 16,318.17 and 3,480.71 is: 5,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.99 : 16,318.17 = 3,480.71 : x
  2. Step 2: Convert to fraction form
    10,877.99/16,318.17 = 3,480.71/x
  3. Step 3: Cross multiply
    10,877.99x = 16,318.17 × 3,480.71
  4. Step 4: Simplify right side
    10,877.99x = 56,798,735.91
  5. Step 5: Solve for x
    x = 56,798,735.91/10,877.99
  6. Step 6: Final answer
    x = 5,221.44

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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.