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Finding the Fourth Proportional to 7,931.68, 11,882.16 and 6,103.84

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Solution

The fourth proportional to 7,931.68, 11,882.16 and 6,103.84 is: 9,143.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.68 : 11,882.16 = 6,103.84 : x
  2. Step 2: Convert to fraction form
    7,931.68/11,882.16 = 6,103.84/x
  3. Step 3: Cross multiply
    7,931.68x = 11,882.16 × 6,103.84
  4. Step 4: Simplify right side
    7,931.68x = 72,526,803.49
  5. Step 5: Solve for x
    x = 72,526,803.49/7,931.68
  6. Step 6: Final answer
    x = 9,143.94

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