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Finding the Fourth Proportional to 11,875.25, 17,812.88 and 4,949.75

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Solution

The fourth proportional to 11,875.25, 17,812.88 and 4,949.75 is: 7,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.25 : 17,812.88 = 4,949.75 : x
  2. Step 2: Convert to fraction form
    11,875.25/17,812.88 = 4,949.75/x
  3. Step 3: Cross multiply
    11,875.25x = 17,812.88 × 4,949.75
  4. Step 4: Simplify right side
    11,875.25x = 88,169,302.78
  5. Step 5: Solve for x
    x = 88,169,302.78/11,875.25
  6. Step 6: Final answer
    x = 7,424.63

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