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Finding the Fourth Proportional to 18,301.24, 25,255.92 and 9,917.92

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Solution

The fourth proportional to 18,301.24, 25,255.92 and 9,917.92 is: 13,686.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.24 : 25,255.92 = 9,917.92 : x
  2. Step 2: Convert to fraction form
    18,301.24/25,255.92 = 9,917.92/x
  3. Step 3: Cross multiply
    18,301.24x = 25,255.92 × 9,917.92
  4. Step 4: Simplify right side
    18,301.24x = 250,486,194.09
  5. Step 5: Solve for x
    x = 250,486,194.09/18,301.24
  6. Step 6: Final answer
    x = 13,686.84

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