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Finding the Fourth Proportional to 13,696.63, 20,445.86 and 12,035.88

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Solution

The fourth proportional to 13,696.63, 20,445.86 and 12,035.88 is: 17,966.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696.63 : 20,445.86 = 12,035.88 : x
  2. Step 2: Convert to fraction form
    13,696.63/20,445.86 = 12,035.88/x
  3. Step 3: Cross multiply
    13,696.63x = 20,445.86 × 12,035.88
  4. Step 4: Simplify right side
    13,696.63x = 246,083,947.55
  5. Step 5: Solve for x
    x = 246,083,947.55/13,696.63
  6. Step 6: Final answer
    x = 17,966.75

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