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Finding the Fourth Proportional to 12,425.63, 17,147.37 and 6,836.63

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Solution

The fourth proportional to 12,425.63, 17,147.37 and 6,836.63 is: 9,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425.63 : 17,147.37 = 6,836.63 : x
  2. Step 2: Convert to fraction form
    12,425.63/17,147.37 = 6,836.63/x
  3. Step 3: Cross multiply
    12,425.63x = 17,147.37 × 6,836.63
  4. Step 4: Simplify right side
    12,425.63x = 117,230,138.43
  5. Step 5: Solve for x
    x = 117,230,138.43/12,425.63
  6. Step 6: Final answer
    x = 9,434.55

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