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Finding the Fourth Proportional to 12,460.75, 18,694.20 and 6,223.75

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Solution

The fourth proportional to 12,460.75, 18,694.20 and 6,223.75 is: 9,337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.75 : 18,694.20 = 6,223.75 : x
  2. Step 2: Convert to fraction form
    12,460.75/18,694.20 = 6,223.75/x
  3. Step 3: Cross multiply
    12,460.75x = 18,694.20 × 6,223.75
  4. Step 4: Simplify right side
    12,460.75x = 116,348,027.25
  5. Step 5: Solve for x
    x = 116,348,027.25/12,460.75
  6. Step 6: Final answer
    x = 9,337.16

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