Home / 16,787.94-23,168.55-11,112.78

Finding the Fourth Proportional to 16,787.94, 23,168.55 and 11,112.78

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Solution

The fourth proportional to 16,787.94, 23,168.55 and 11,112.78 is: 15,336.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787.94 : 23,168.55 = 11,112.78 : x
  2. Step 2: Convert to fraction form
    16,787.94/23,168.55 = 11,112.78/x
  3. Step 3: Cross multiply
    16,787.94x = 23,168.55 × 11,112.78
  4. Step 4: Simplify right side
    16,787.94x = 257,466,999.07
  5. Step 5: Solve for x
    x = 257,466,999.07/16,787.94
  6. Step 6: Final answer
    x = 15,336.43

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