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Finding the Fourth Proportional to 14,280.91, 19,745.28 and 12,507.43

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Solution

The fourth proportional to 14,280.91, 19,745.28 and 12,507.43 is: 17,293.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.91 : 19,745.28 = 12,507.43 : x
  2. Step 2: Convert to fraction form
    14,280.91/19,745.28 = 12,507.43/x
  3. Step 3: Cross multiply
    14,280.91x = 19,745.28 × 12,507.43
  4. Step 4: Simplify right side
    14,280.91x = 246,962,745.99
  5. Step 5: Solve for x
    x = 246,962,745.99/14,280.91
  6. Step 6: Final answer
    x = 17,293.21

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