Home / 13,902.03-20,856.29-4,542.48

Finding the Fourth Proportional to 13,902.03, 20,856.29 and 4,542.48

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Solution

The fourth proportional to 13,902.03, 20,856.29 and 4,542.48 is: 6,814.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.03 : 20,856.29 = 4,542.48 : x
  2. Step 2: Convert to fraction form
    13,902.03/20,856.29 = 4,542.48/x
  3. Step 3: Cross multiply
    13,902.03x = 20,856.29 × 4,542.48
  4. Step 4: Simplify right side
    13,902.03x = 94,739,361.25
  5. Step 5: Solve for x
    x = 94,739,361.25/13,902.03
  6. Step 6: Final answer
    x = 6,814.78

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