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Finding the Fourth Proportional to 12,475.21, 18,721.68 and 6,933.01

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Solution

The fourth proportional to 12,475.21, 18,721.68 and 6,933.01 is: 10,404.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.21 : 18,721.68 = 6,933.01 : x
  2. Step 2: Convert to fraction form
    12,475.21/18,721.68 = 6,933.01/x
  3. Step 3: Cross multiply
    12,475.21x = 18,721.68 × 6,933.01
  4. Step 4: Simplify right side
    12,475.21x = 129,797,594.66
  5. Step 5: Solve for x
    x = 129,797,594.66/12,475.21
  6. Step 6: Final answer
    x = 10,404.44

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