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Finding the Fourth Proportional to 9,995.78, 14,996.10 and 3,425.06

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Solution

The fourth proportional to 9,995.78, 14,996.10 and 3,425.06 is: 5,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.78 : 14,996.10 = 3,425.06 : x
  2. Step 2: Convert to fraction form
    9,995.78/14,996.10 = 3,425.06/x
  3. Step 3: Cross multiply
    9,995.78x = 14,996.10 × 3,425.06
  4. Step 4: Simplify right side
    9,995.78x = 51,362,542.27
  5. Step 5: Solve for x
    x = 51,362,542.27/9,995.78
  6. Step 6: Final answer
    x = 5,138.42

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