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Finding the Fourth Proportional to 12,550.56, 17,319.79 and 6,961.56

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Solution

The fourth proportional to 12,550.56, 17,319.79 and 6,961.56 is: 9,606.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.56 : 17,319.79 = 6,961.56 : x
  2. Step 2: Convert to fraction form
    12,550.56/17,319.79 = 6,961.56/x
  3. Step 3: Cross multiply
    12,550.56x = 17,319.79 × 6,961.56
  4. Step 4: Simplify right side
    12,550.56x = 120,572,757.27
  5. Step 5: Solve for x
    x = 120,572,757.27/12,550.56
  6. Step 6: Final answer
    x = 9,606.96

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