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Finding the Fourth Proportional to 9,963.26, 13,749.40 and 5,487.17

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Solution

The fourth proportional to 9,963.26, 13,749.40 and 5,487.17 is: 7,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.26 : 13,749.40 = 5,487.17 : x
  2. Step 2: Convert to fraction form
    9,963.26/13,749.40 = 5,487.17/x
  3. Step 3: Cross multiply
    9,963.26x = 13,749.40 × 5,487.17
  4. Step 4: Simplify right side
    9,963.26x = 75,445,295.20
  5. Step 5: Solve for x
    x = 75,445,295.20/9,963.26
  6. Step 6: Final answer
    x = 7,572.35

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