Home / 11,489.54-17,234.49-5,249.30

Finding the Fourth Proportional to 11,489.54, 17,234.49 and 5,249.30

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Solution

The fourth proportional to 11,489.54, 17,234.49 and 5,249.30 is: 7,874.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,489.54 : 17,234.49 = 5,249.30 : x
  2. Step 2: Convert to fraction form
    11,489.54/17,234.49 = 5,249.30/x
  3. Step 3: Cross multiply
    11,489.54x = 17,234.49 × 5,249.30
  4. Step 4: Simplify right side
    11,489.54x = 90,469,008.36
  5. Step 5: Solve for x
    x = 90,469,008.36/11,489.54
  6. Step 6: Final answer
    x = 7,874.03

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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.