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Finding the Fourth Proportional to 12,500.44, 18,755.91 and 5,476.84

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Solution

The fourth proportional to 12,500.44, 18,755.91 and 5,476.84 is: 8,217.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.44 : 18,755.91 = 5,476.84 : x
  2. Step 2: Convert to fraction form
    12,500.44/18,755.91 = 5,476.84/x
  3. Step 3: Cross multiply
    12,500.44x = 18,755.91 × 5,476.84
  4. Step 4: Simplify right side
    12,500.44x = 102,723,118.12
  5. Step 5: Solve for x
    x = 102,723,118.12/12,500.44
  6. Step 6: Final answer
    x = 8,217.56

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