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Finding the Fourth Proportional to 18,625.38, 27,932.14 and 6,143.07

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Solution

The fourth proportional to 18,625.38, 27,932.14 and 6,143.07 is: 9,212.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.38 : 27,932.14 = 6,143.07 : x
  2. Step 2: Convert to fraction form
    18,625.38/27,932.14 = 6,143.07/x
  3. Step 3: Cross multiply
    18,625.38x = 27,932.14 × 6,143.07
  4. Step 4: Simplify right side
    18,625.38x = 171,589,203.69
  5. Step 5: Solve for x
    x = 171,589,203.69/18,625.38
  6. Step 6: Final answer
    x = 9,212.66

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