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Finding the Fourth Proportional to 13,819.56, 20,712.06 and 6,896.04

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Solution

The fourth proportional to 13,819.56, 20,712.06 and 6,896.04 is: 10,335.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.56 : 20,712.06 = 6,896.04 : x
  2. Step 2: Convert to fraction form
    13,819.56/20,712.06 = 6,896.04/x
  3. Step 3: Cross multiply
    13,819.56x = 20,712.06 × 6,896.04
  4. Step 4: Simplify right side
    13,819.56x = 142,831,194.24
  5. Step 5: Solve for x
    x = 142,831,194.24/13,819.56
  6. Step 6: Final answer
    x = 10,335.44

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