Home / 13,965.82-20,948.73-4,105.18

Finding the Fourth Proportional to 13,965.82, 20,948.73 and 4,105.18

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Solution

The fourth proportional to 13,965.82, 20,948.73 and 4,105.18 is: 6,157.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.82 : 20,948.73 = 4,105.18 : x
  2. Step 2: Convert to fraction form
    13,965.82/20,948.73 = 4,105.18/x
  3. Step 3: Cross multiply
    13,965.82x = 20,948.73 × 4,105.18
  4. Step 4: Simplify right side
    13,965.82x = 85,998,318.21
  5. Step 5: Solve for x
    x = 85,998,318.21/13,965.82
  6. Step 6: Final answer
    x = 6,157.77

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