Home / 20,306.66-30,453.50-6,976.44

Finding the Fourth Proportional to 20,306.66, 30,453.50 and 6,976.44

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Solution

The fourth proportional to 20,306.66, 30,453.50 and 6,976.44 is: 10,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,306.66 : 30,453.50 = 6,976.44 : x
  2. Step 2: Convert to fraction form
    20,306.66/30,453.50 = 6,976.44/x
  3. Step 3: Cross multiply
    20,306.66x = 30,453.50 × 6,976.44
  4. Step 4: Simplify right side
    20,306.66x = 212,456,884.93
  5. Step 5: Solve for x
    x = 212,456,884.93/20,306.66
  6. Step 6: Final answer
    x = 10,462.43

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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.