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Finding the Fourth Proportional to 9,997.48, 15,000.54 and 5,383.72

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Solution

The fourth proportional to 9,997.48, 15,000.54 and 5,383.72 is: 8,077.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,997.48 : 15,000.54 = 5,383.72 : x
  2. Step 2: Convert to fraction form
    9,997.48/15,000.54 = 5,383.72/x
  3. Step 3: Cross multiply
    9,997.48x = 15,000.54 × 5,383.72
  4. Step 4: Simplify right side
    9,997.48x = 80,758,707.21
  5. Step 5: Solve for x
    x = 80,758,707.21/9,997.48
  6. Step 6: Final answer
    x = 8,077.91

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