Home / 13,827.64-20,735.36-3,964.68

Finding the Fourth Proportional to 13,827.64, 20,735.36 and 3,964.68

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Solution

The fourth proportional to 13,827.64, 20,735.36 and 3,964.68 is: 5,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.64 : 20,735.36 = 3,964.68 : x
  2. Step 2: Convert to fraction form
    13,827.64/20,735.36 = 3,964.68/x
  3. Step 3: Cross multiply
    13,827.64x = 20,735.36 × 3,964.68
  4. Step 4: Simplify right side
    13,827.64x = 82,209,067.08
  5. Step 5: Solve for x
    x = 82,209,067.08/13,827.64
  6. Step 6: Final answer
    x = 5,945.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.