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Finding the Fourth Proportional to 13,798.34, 20,695.19 and 3,935.37

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Solution

The fourth proportional to 13,798.34, 20,695.19 and 3,935.37 is: 5,902.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.34 : 20,695.19 = 3,935.37 : x
  2. Step 2: Convert to fraction form
    13,798.34/20,695.19 = 3,935.37/x
  3. Step 3: Cross multiply
    13,798.34x = 20,695.19 × 3,935.37
  4. Step 4: Simplify right side
    13,798.34x = 81,443,210.19
  5. Step 5: Solve for x
    x = 81,443,210.19/13,798.34
  6. Step 6: Final answer
    x = 5,902.39

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