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Finding the Fourth Proportional to 10,379.64, 14,323.52 and 5,663.82

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Solution

The fourth proportional to 10,379.64, 14,323.52 and 5,663.82 is: 7,815.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.64 : 14,323.52 = 5,663.82 : x
  2. Step 2: Convert to fraction form
    10,379.64/14,323.52 = 5,663.82/x
  3. Step 3: Cross multiply
    10,379.64x = 14,323.52 × 5,663.82
  4. Step 4: Simplify right side
    10,379.64x = 81,125,839.05
  5. Step 5: Solve for x
    x = 81,125,839.05/10,379.64
  6. Step 6: Final answer
    x = 7,815.86

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