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Finding the Fourth Proportional to 18,982.53, 26,191.88 and 11,020.63

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Solution

The fourth proportional to 18,982.53, 26,191.88 and 11,020.63 is: 15,206.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.53 : 26,191.88 = 11,020.63 : x
  2. Step 2: Convert to fraction form
    18,982.53/26,191.88 = 11,020.63/x
  3. Step 3: Cross multiply
    18,982.53x = 26,191.88 × 11,020.63
  4. Step 4: Simplify right side
    18,982.53x = 288,651,018.48
  5. Step 5: Solve for x
    x = 288,651,018.48/18,982.53
  6. Step 6: Final answer
    x = 15,206.14

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