Home / 18,252.20-25,188.17-11,177.26

Finding the Fourth Proportional to 18,252.20, 25,188.17 and 11,177.26

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Solution

The fourth proportional to 18,252.20, 25,188.17 and 11,177.26 is: 15,424.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,252.20 : 25,188.17 = 11,177.26 : x
  2. Step 2: Convert to fraction form
    18,252.20/25,188.17 = 11,177.26/x
  3. Step 3: Cross multiply
    18,252.20x = 25,188.17 × 11,177.26
  4. Step 4: Simplify right side
    18,252.20x = 281,534,606.16
  5. Step 5: Solve for x
    x = 281,534,606.16/18,252.20
  6. Step 6: Final answer
    x = 15,424.69

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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.