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Finding the Fourth Proportional to 9,149.76, 13,721.57 and 3,601.65

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Solution

The fourth proportional to 9,149.76, 13,721.57 and 3,601.65 is: 5,401.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.76 : 13,721.57 = 3,601.65 : x
  2. Step 2: Convert to fraction form
    9,149.76/13,721.57 = 3,601.65/x
  3. Step 3: Cross multiply
    9,149.76x = 13,721.57 × 3,601.65
  4. Step 4: Simplify right side
    9,149.76x = 49,420,274.58
  5. Step 5: Solve for x
    x = 49,420,274.58/9,149.76
  6. Step 6: Final answer
    x = 5,401.26

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