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Finding the Fourth Proportional to 12,238.16, 16,888.12 and 6,932.87

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Solution

The fourth proportional to 12,238.16, 16,888.12 and 6,932.87 is: 9,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.16 : 16,888.12 = 6,932.87 : x
  2. Step 2: Convert to fraction form
    12,238.16/16,888.12 = 6,932.87/x
  3. Step 3: Cross multiply
    12,238.16x = 16,888.12 × 6,932.87
  4. Step 4: Simplify right side
    12,238.16x = 117,083,140.50
  5. Step 5: Solve for x
    x = 117,083,140.50/12,238.16
  6. Step 6: Final answer
    x = 9,567.05

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