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Finding the Fourth Proportional to 14,215.50, 19,617.39 and 7,927.88

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Solution

The fourth proportional to 14,215.50, 19,617.39 and 7,927.88 is: 10,940.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.50 : 19,617.39 = 7,927.88 : x
  2. Step 2: Convert to fraction form
    14,215.50/19,617.39 = 7,927.88/x
  3. Step 3: Cross multiply
    14,215.50x = 19,617.39 × 7,927.88
  4. Step 4: Simplify right side
    14,215.50x = 155,524,215.75
  5. Step 5: Solve for x
    x = 155,524,215.75/14,215.50
  6. Step 6: Final answer
    x = 10,940.47

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