Home / 10,883.11-15,022.11-6,170.53

Finding the Fourth Proportional to 10,883.11, 15,022.11 and 6,170.53

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Solution

The fourth proportional to 10,883.11, 15,022.11 and 6,170.53 is: 8,517.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.11 : 15,022.11 = 6,170.53 : x
  2. Step 2: Convert to fraction form
    10,883.11/15,022.11 = 6,170.53/x
  3. Step 3: Cross multiply
    10,883.11x = 15,022.11 × 6,170.53
  4. Step 4: Simplify right side
    10,883.11x = 92,694,380.42
  5. Step 5: Solve for x
    x = 92,694,380.42/10,883.11
  6. Step 6: Final answer
    x = 8,517.27

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.