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Finding the Fourth Proportional to 16,253.91, 24,378.71 and 6,390.54

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Solution

The fourth proportional to 16,253.91, 24,378.71 and 6,390.54 is: 9,584.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,253.91 : 24,378.71 = 6,390.54 : x
  2. Step 2: Convert to fraction form
    16,253.91/24,378.71 = 6,390.54/x
  3. Step 3: Cross multiply
    16,253.91x = 24,378.71 × 6,390.54
  4. Step 4: Simplify right side
    16,253.91x = 155,793,089.45
  5. Step 5: Solve for x
    x = 155,793,089.45/16,253.91
  6. Step 6: Final answer
    x = 9,584.96

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