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Finding the Fourth Proportional to 12,240.41, 16,891.72 and 6,936.23

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Solution

The fourth proportional to 12,240.41, 16,891.72 and 6,936.23 is: 9,571.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.41 : 16,891.72 = 6,936.23 : x
  2. Step 2: Convert to fraction form
    12,240.41/16,891.72 = 6,936.23/x
  3. Step 3: Cross multiply
    12,240.41x = 16,891.72 × 6,936.23
  4. Step 4: Simplify right side
    12,240.41x = 117,164,879.90
  5. Step 5: Solve for x
    x = 117,164,879.90/12,240.41
  6. Step 6: Final answer
    x = 9,571.98

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