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Finding the Fourth Proportional to 13,800.96, 20,696.52 and 4,440.60

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Solution

The fourth proportional to 13,800.96, 20,696.52 and 4,440.60 is: 6,659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.96 : 20,696.52 = 4,440.60 : x
  2. Step 2: Convert to fraction form
    13,800.96/20,696.52 = 4,440.60/x
  3. Step 3: Cross multiply
    13,800.96x = 20,696.52 × 4,440.60
  4. Step 4: Simplify right side
    13,800.96x = 91,904,966.71
  5. Step 5: Solve for x
    x = 91,904,966.71/13,800.96
  6. Step 6: Final answer
    x = 6,659.32

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