Home / 18,247.17-25,179.22-13,469.66

Finding the Fourth Proportional to 18,247.17, 25,179.22 and 13,469.66

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Solution

The fourth proportional to 18,247.17, 25,179.22 and 13,469.66 is: 18,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.17 : 25,179.22 = 13,469.66 : x
  2. Step 2: Convert to fraction form
    18,247.17/25,179.22 = 13,469.66/x
  3. Step 3: Cross multiply
    18,247.17x = 25,179.22 × 13,469.66
  4. Step 4: Simplify right side
    18,247.17x = 339,155,517.83
  5. Step 5: Solve for x
    x = 339,155,517.83/18,247.17
  6. Step 6: Final answer
    x = 18,586.74

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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.