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Finding the Fourth Proportional to 18,479.82, 25,502.14 and 9,981.94

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Solution

The fourth proportional to 18,479.82, 25,502.14 and 9,981.94 is: 13,775.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,479.82 : 25,502.14 = 9,981.94 : x
  2. Step 2: Convert to fraction form
    18,479.82/25,502.14 = 9,981.94/x
  3. Step 3: Cross multiply
    18,479.82x = 25,502.14 × 9,981.94
  4. Step 4: Simplify right side
    18,479.82x = 254,560,831.35
  5. Step 5: Solve for x
    x = 254,560,831.35/18,479.82
  6. Step 6: Final answer
    x = 13,775.07

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