Home / 10,917.52-16,377.28-3,520.24

Finding the Fourth Proportional to 10,917.52, 16,377.28 and 3,520.24

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Solution

The fourth proportional to 10,917.52, 16,377.28 and 3,520.24 is: 5,280.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.52 : 16,377.28 = 3,520.24 : x
  2. Step 2: Convert to fraction form
    10,917.52/16,377.28 = 3,520.24/x
  3. Step 3: Cross multiply
    10,917.52x = 16,377.28 × 3,520.24
  4. Step 4: Simplify right side
    10,917.52x = 57,651,956.15
  5. Step 5: Solve for x
    x = 57,651,956.15/10,917.52
  6. Step 6: Final answer
    x = 5,280.68

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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.