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Finding the Fourth Proportional to 12,199.86, 16,836.14 and 6,894.56

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Solution

The fourth proportional to 12,199.86, 16,836.14 and 6,894.56 is: 9,514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.86 : 16,836.14 = 6,894.56 : x
  2. Step 2: Convert to fraction form
    12,199.86/16,836.14 = 6,894.56/x
  3. Step 3: Cross multiply
    12,199.86x = 16,836.14 × 6,894.56
  4. Step 4: Simplify right side
    12,199.86x = 116,077,777.40
  5. Step 5: Solve for x
    x = 116,077,777.40/12,199.86
  6. Step 6: Final answer
    x = 9,514.68

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