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Finding the Fourth Proportional to 12,415.07, 17,132.99 and 6,749.83

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Solution

The fourth proportional to 12,415.07, 17,132.99 and 6,749.83 is: 9,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415.07 : 17,132.99 = 6,749.83 : x
  2. Step 2: Convert to fraction form
    12,415.07/17,132.99 = 6,749.83/x
  3. Step 3: Cross multiply
    12,415.07x = 17,132.99 × 6,749.83
  4. Step 4: Simplify right side
    12,415.07x = 115,644,757.56
  5. Step 5: Solve for x
    x = 115,644,757.56/12,415.07
  6. Step 6: Final answer
    x = 9,314.87

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