Home / 13,743.62-20,615.50-3,355.38

Finding the Fourth Proportional to 13,743.62, 20,615.50 and 3,355.38

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Solution

The fourth proportional to 13,743.62, 20,615.50 and 3,355.38 is: 5,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.62 : 20,615.50 = 3,355.38 : x
  2. Step 2: Convert to fraction form
    13,743.62/20,615.50 = 3,355.38/x
  3. Step 3: Cross multiply
    13,743.62x = 20,615.50 × 3,355.38
  4. Step 4: Simplify right side
    13,743.62x = 69,172,836.39
  5. Step 5: Solve for x
    x = 69,172,836.39/13,743.62
  6. Step 6: Final answer
    x = 5,033.09

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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.