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Finding the Fourth Proportional to 13,361.86, 20,047.32 and 5,971.42

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Solution

The fourth proportional to 13,361.86, 20,047.32 and 5,971.42 is: 8,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.86 : 20,047.32 = 5,971.42 : x
  2. Step 2: Convert to fraction form
    13,361.86/20,047.32 = 5,971.42/x
  3. Step 3: Cross multiply
    13,361.86x = 20,047.32 × 5,971.42
  4. Step 4: Simplify right side
    13,361.86x = 119,710,967.59
  5. Step 5: Solve for x
    x = 119,710,967.59/13,361.86
  6. Step 6: Final answer
    x = 8,959.15

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