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Finding the Fourth Proportional to 11,288.96, 16,936.28 and 5,745.32

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Solution

The fourth proportional to 11,288.96, 16,936.28 and 5,745.32 is: 8,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.96 : 16,936.28 = 5,745.32 : x
  2. Step 2: Convert to fraction form
    11,288.96/16,936.28 = 5,745.32/x
  3. Step 3: Cross multiply
    11,288.96x = 16,936.28 × 5,745.32
  4. Step 4: Simplify right side
    11,288.96x = 97,304,348.21
  5. Step 5: Solve for x
    x = 97,304,348.21/11,288.96
  6. Step 6: Final answer
    x = 8,619.43

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