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Finding the Fourth Proportional to 18,625.95, 27,923.88 and 6,138.18

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Solution

The fourth proportional to 18,625.95, 27,923.88 and 6,138.18 is: 9,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.95 : 27,923.88 = 6,138.18 : x
  2. Step 2: Convert to fraction form
    18,625.95/27,923.88 = 6,138.18/x
  3. Step 3: Cross multiply
    18,625.95x = 27,923.88 × 6,138.18
  4. Step 4: Simplify right side
    18,625.95x = 171,401,801.74
  5. Step 5: Solve for x
    x = 171,401,801.74/18,625.95
  6. Step 6: Final answer
    x = 9,202.31

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