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Finding the Fourth Proportional to 8,974.97, 12,384.86 and 4,995.98

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Solution

The fourth proportional to 8,974.97, 12,384.86 and 4,995.98 is: 6,894.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.97 : 12,384.86 = 4,995.98 : x
  2. Step 2: Convert to fraction form
    8,974.97/12,384.86 = 4,995.98/x
  3. Step 3: Cross multiply
    8,974.97x = 12,384.86 × 4,995.98
  4. Step 4: Simplify right side
    8,974.97x = 61,874,425.96
  5. Step 5: Solve for x
    x = 61,874,425.96/8,974.97
  6. Step 6: Final answer
    x = 6,894.11

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