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Finding the Fourth Proportional to 9,976.89, 13,768.21 and 5,500.83

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Solution

The fourth proportional to 9,976.89, 13,768.21 and 5,500.83 is: 7,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976.89 : 13,768.21 = 5,500.83 : x
  2. Step 2: Convert to fraction form
    9,976.89/13,768.21 = 5,500.83/x
  3. Step 3: Cross multiply
    9,976.89x = 13,768.21 × 5,500.83
  4. Step 4: Simplify right side
    9,976.89x = 75,736,582.61
  5. Step 5: Solve for x
    x = 75,736,582.61/9,976.89
  6. Step 6: Final answer
    x = 7,591.20

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