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Finding the Fourth Proportional to 10,937.31, 16,406.16 and 3,146.32

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Solution

The fourth proportional to 10,937.31, 16,406.16 and 3,146.32 is: 4,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.31 : 16,406.16 = 3,146.32 : x
  2. Step 2: Convert to fraction form
    10,937.31/16,406.16 = 3,146.32/x
  3. Step 3: Cross multiply
    10,937.31x = 16,406.16 × 3,146.32
  4. Step 4: Simplify right side
    10,937.31x = 51,619,029.33
  5. Step 5: Solve for x
    x = 51,619,029.33/10,937.31
  6. Step 6: Final answer
    x = 4,719.54

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