Home / 13,797.03-20,695.59-3,408.78

Finding the Fourth Proportional to 13,797.03, 20,695.59 and 3,408.78

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Solution

The fourth proportional to 13,797.03, 20,695.59 and 3,408.78 is: 5,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.03 : 20,695.59 = 3,408.78 : x
  2. Step 2: Convert to fraction form
    13,797.03/20,695.59 = 3,408.78/x
  3. Step 3: Cross multiply
    13,797.03x = 20,695.59 × 3,408.78
  4. Step 4: Simplify right side
    13,797.03x = 70,546,713.28
  5. Step 5: Solve for x
    x = 70,546,713.28/13,797.03
  6. Step 6: Final answer
    x = 5,113.18

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