Home / 13,952.82-20,930.30-3,957.39

Finding the Fourth Proportional to 13,952.82, 20,930.30 and 3,957.39

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Solution

The fourth proportional to 13,952.82, 20,930.30 and 3,957.39 is: 5,936.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.82 : 20,930.30 = 3,957.39 : x
  2. Step 2: Convert to fraction form
    13,952.82/20,930.30 = 3,957.39/x
  3. Step 3: Cross multiply
    13,952.82x = 20,930.30 × 3,957.39
  4. Step 4: Simplify right side
    13,952.82x = 82,829,359.92
  5. Step 5: Solve for x
    x = 82,829,359.92/13,952.82
  6. Step 6: Final answer
    x = 5,936.39

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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.