Home / 13,784.40-20,676.48-3,396.24

Finding the Fourth Proportional to 13,784.40, 20,676.48 and 3,396.24

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Solution

The fourth proportional to 13,784.40, 20,676.48 and 3,396.24 is: 5,094.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.40 : 20,676.48 = 3,396.24 : x
  2. Step 2: Convert to fraction form
    13,784.40/20,676.48 = 3,396.24/x
  3. Step 3: Cross multiply
    13,784.40x = 20,676.48 × 3,396.24
  4. Step 4: Simplify right side
    13,784.40x = 70,222,288.44
  5. Step 5: Solve for x
    x = 70,222,288.44/13,784.40
  6. Step 6: Final answer
    x = 5,094.33

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