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Finding the Fourth Proportional to 12,313.53, 16,992.59 and 6,724.53

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Solution

The fourth proportional to 12,313.53, 16,992.59 and 6,724.53 is: 9,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.53 : 16,992.59 = 6,724.53 : x
  2. Step 2: Convert to fraction form
    12,313.53/16,992.59 = 6,724.53/x
  3. Step 3: Cross multiply
    12,313.53x = 16,992.59 × 6,724.53
  4. Step 4: Simplify right side
    12,313.53x = 114,267,147.61
  5. Step 5: Solve for x
    x = 114,267,147.61/12,313.53
  6. Step 6: Final answer
    x = 9,279.80

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