Home / 11,549.60-17,321.30-3,229.10

Finding the Fourth Proportional to 11,549.60, 17,321.30 and 3,229.10

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Solution

The fourth proportional to 11,549.60, 17,321.30 and 3,229.10 is: 4,842.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,549.60 : 17,321.30 = 3,229.10 : x
  2. Step 2: Convert to fraction form
    11,549.60/17,321.30 = 3,229.10/x
  3. Step 3: Cross multiply
    11,549.60x = 17,321.30 × 3,229.10
  4. Step 4: Simplify right side
    11,549.60x = 55,932,209.83
  5. Step 5: Solve for x
    x = 55,932,209.83/11,549.60
  6. Step 6: Final answer
    x = 4,842.78

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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.