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Finding the Fourth Proportional to 12,144.09, 16,758.90 and 6,839.00

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Solution

The fourth proportional to 12,144.09, 16,758.90 and 6,839.00 is: 9,437.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144.09 : 16,758.90 = 6,839.00 : x
  2. Step 2: Convert to fraction form
    12,144.09/16,758.90 = 6,839.00/x
  3. Step 3: Cross multiply
    12,144.09x = 16,758.90 × 6,839.00
  4. Step 4: Simplify right side
    12,144.09x = 114,614,096.15
  5. Step 5: Solve for x
    x = 114,614,096.15/12,144.09
  6. Step 6: Final answer
    x = 9,437.85

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