Home / 11,589.27-17,234.78-11,220.21

Finding the Fourth Proportional to 11,589.27, 17,234.78 and 11,220.21

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Solution

The fourth proportional to 11,589.27, 17,234.78 and 11,220.21 is: 16,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589.27 : 17,234.78 = 11,220.21 : x
  2. Step 2: Convert to fraction form
    11,589.27/17,234.78 = 11,220.21/x
  3. Step 3: Cross multiply
    11,589.27x = 17,234.78 × 11,220.21
  4. Step 4: Simplify right side
    11,589.27x = 193,377,850.90
  5. Step 5: Solve for x
    x = 193,377,850.90/11,589.27
  6. Step 6: Final answer
    x = 16,685.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.