Home / 8,911.62-13,367.17-5,168.97

Finding the Fourth Proportional to 8,911.62, 13,367.17 and 5,168.97

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Solution

The fourth proportional to 8,911.62, 13,367.17 and 5,168.97 is: 7,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.62 : 13,367.17 = 5,168.97 : x
  2. Step 2: Convert to fraction form
    8,911.62/13,367.17 = 5,168.97/x
  3. Step 3: Cross multiply
    8,911.62x = 13,367.17 × 5,168.97
  4. Step 4: Simplify right side
    8,911.62x = 69,094,500.71
  5. Step 5: Solve for x
    x = 69,094,500.71/8,911.62
  6. Step 6: Final answer
    x = 7,753.30

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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.