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Finding the Fourth Proportional to 18,156.52, 25,062.44 and 10,986.81

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Solution

The fourth proportional to 18,156.52, 25,062.44 and 10,986.81 is: 15,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.52 : 25,062.44 = 10,986.81 : x
  2. Step 2: Convert to fraction form
    18,156.52/25,062.44 = 10,986.81/x
  3. Step 3: Cross multiply
    18,156.52x = 25,062.44 × 10,986.81
  4. Step 4: Simplify right side
    18,156.52x = 275,356,266.42
  5. Step 5: Solve for x
    x = 275,356,266.42/18,156.52
  6. Step 6: Final answer
    x = 15,165.70

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