Home / 13,825.21-20,737.81-3,436.96

Finding the Fourth Proportional to 13,825.21, 20,737.81 and 3,436.96

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Solution

The fourth proportional to 13,825.21, 20,737.81 and 3,436.96 is: 5,155.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.21 : 20,737.81 = 3,436.96 : x
  2. Step 2: Convert to fraction form
    13,825.21/20,737.81 = 3,436.96/x
  3. Step 3: Cross multiply
    13,825.21x = 20,737.81 × 3,436.96
  4. Step 4: Simplify right side
    13,825.21x = 71,275,023.46
  5. Step 5: Solve for x
    x = 71,275,023.46/13,825.21
  6. Step 6: Final answer
    x = 5,155.44

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