Home / 11,211.44-16,815.33-3,815.73

Finding the Fourth Proportional to 11,211.44, 16,815.33 and 3,815.73

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Solution

The fourth proportional to 11,211.44, 16,815.33 and 3,815.73 is: 5,722.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.44 : 16,815.33 = 3,815.73 : x
  2. Step 2: Convert to fraction form
    11,211.44/16,815.33 = 3,815.73/x
  3. Step 3: Cross multiply
    11,211.44x = 16,815.33 × 3,815.73
  4. Step 4: Simplify right side
    11,211.44x = 64,162,759.14
  5. Step 5: Solve for x
    x = 64,162,759.14/11,211.44
  6. Step 6: Final answer
    x = 5,722.97

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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.