Home / 10,494.50-15,744.45-3,920.73

Finding the Fourth Proportional to 10,494.50, 15,744.45 and 3,920.73

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Solution

The fourth proportional to 10,494.50, 15,744.45 and 3,920.73 is: 5,882.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,494.50 : 15,744.45 = 3,920.73 : x
  2. Step 2: Convert to fraction form
    10,494.50/15,744.45 = 3,920.73/x
  3. Step 3: Cross multiply
    10,494.50x = 15,744.45 × 3,920.73
  4. Step 4: Simplify right side
    10,494.50x = 61,729,737.45
  5. Step 5: Solve for x
    x = 61,729,737.45/10,494.50
  6. Step 6: Final answer
    x = 5,882.11

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1.5x scale

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.