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Finding the Fourth Proportional to 13,369.86, 20,048.03 and 7,824.87

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Solution

The fourth proportional to 13,369.86, 20,048.03 and 7,824.87 is: 11,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.86 : 20,048.03 = 7,824.87 : x
  2. Step 2: Convert to fraction form
    13,369.86/20,048.03 = 7,824.87/x
  3. Step 3: Cross multiply
    13,369.86x = 20,048.03 × 7,824.87
  4. Step 4: Simplify right side
    13,369.86x = 156,873,189.38
  5. Step 5: Solve for x
    x = 156,873,189.38/13,369.86
  6. Step 6: Final answer
    x = 11,733.35

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