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Finding the Fourth Proportional to 19,913.99, 27,480.81 and 10,961.42

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Solution

The fourth proportional to 19,913.99, 27,480.81 and 10,961.42 is: 15,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.99 : 27,480.81 = 10,961.42 : x
  2. Step 2: Convert to fraction form
    19,913.99/27,480.81 = 10,961.42/x
  3. Step 3: Cross multiply
    19,913.99x = 27,480.81 × 10,961.42
  4. Step 4: Simplify right side
    19,913.99x = 301,228,562.95
  5. Step 5: Solve for x
    x = 301,228,562.95/19,913.99
  6. Step 6: Final answer
    x = 15,126.48

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