Home / 13,739.84-20,609.76-3,351.52

Finding the Fourth Proportional to 13,739.84, 20,609.76 and 3,351.52

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Solution

The fourth proportional to 13,739.84, 20,609.76 and 3,351.52 is: 5,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739.84 : 20,609.76 = 3,351.52 : x
  2. Step 2: Convert to fraction form
    13,739.84/20,609.76 = 3,351.52/x
  3. Step 3: Cross multiply
    13,739.84x = 20,609.76 × 3,351.52
  4. Step 4: Simplify right side
    13,739.84x = 69,074,022.84
  5. Step 5: Solve for x
    x = 69,074,022.84/13,739.84
  6. Step 6: Final answer
    x = 5,027.28

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