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Finding the Fourth Proportional to 9,955.31, 13,736.12 and 5,761.13

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Solution

The fourth proportional to 9,955.31, 13,736.12 and 5,761.13 is: 7,949.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955.31 : 13,736.12 = 5,761.13 : x
  2. Step 2: Convert to fraction form
    9,955.31/13,736.12 = 5,761.13/x
  3. Step 3: Cross multiply
    9,955.31x = 13,736.12 × 5,761.13
  4. Step 4: Simplify right side
    9,955.31x = 79,135,475.53
  5. Step 5: Solve for x
    x = 79,135,475.53/9,955.31
  6. Step 6: Final answer
    x = 7,949.08

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