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Finding the Fourth Proportional to 12,169.73, 18,256.84 and 3,851.84

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Solution

The fourth proportional to 12,169.73, 18,256.84 and 3,851.84 is: 5,778.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.73 : 18,256.84 = 3,851.84 : x
  2. Step 2: Convert to fraction form
    12,169.73/18,256.84 = 3,851.84/x
  3. Step 3: Cross multiply
    12,169.73x = 18,256.84 × 3,851.84
  4. Step 4: Simplify right side
    12,169.73x = 70,322,325.67
  5. Step 5: Solve for x
    x = 70,322,325.67/12,169.73
  6. Step 6: Final answer
    x = 5,778.46

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