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Finding the Fourth Proportional to 13,168.27, 19,723.20 and 9,459.38

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Solution

The fourth proportional to 13,168.27, 19,723.20 and 9,459.38 is: 14,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168.27 : 19,723.20 = 9,459.38 : x
  2. Step 2: Convert to fraction form
    13,168.27/19,723.20 = 9,459.38/x
  3. Step 3: Cross multiply
    13,168.27x = 19,723.20 × 9,459.38
  4. Step 4: Simplify right side
    13,168.27x = 186,569,257.45
  5. Step 5: Solve for x
    x = 186,569,257.45/13,168.27
  6. Step 6: Final answer
    x = 14,168.09

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