Home / 8,997.92-13,496.40-3,155.12

Finding the Fourth Proportional to 8,997.92, 13,496.40 and 3,155.12

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Solution

The fourth proportional to 8,997.92, 13,496.40 and 3,155.12 is: 4,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.92 : 13,496.40 = 3,155.12 : x
  2. Step 2: Convert to fraction form
    8,997.92/13,496.40 = 3,155.12/x
  3. Step 3: Cross multiply
    8,997.92x = 13,496.40 × 3,155.12
  4. Step 4: Simplify right side
    8,997.92x = 42,582,761.57
  5. Step 5: Solve for x
    x = 42,582,761.57/8,997.92
  6. Step 6: Final answer
    x = 4,732.51

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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.