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Finding the Fourth Proportional to 18,673.50, 25,769.98 and 10,290.54

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Solution

The fourth proportional to 18,673.50, 25,769.98 and 10,290.54 is: 14,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,673.50 : 25,769.98 = 10,290.54 : x
  2. Step 2: Convert to fraction form
    18,673.50/25,769.98 = 10,290.54/x
  3. Step 3: Cross multiply
    18,673.50x = 25,769.98 × 10,290.54
  4. Step 4: Simplify right side
    18,673.50x = 265,187,009.99
  5. Step 5: Solve for x
    x = 265,187,009.99/18,673.50
  6. Step 6: Final answer
    x = 14,201.25

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