Home / 11,183.72-16,775.40-2,863.65

Finding the Fourth Proportional to 11,183.72, 16,775.40 and 2,863.65

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Solution

The fourth proportional to 11,183.72, 16,775.40 and 2,863.65 is: 4,295.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.72 : 16,775.40 = 2,863.65 : x
  2. Step 2: Convert to fraction form
    11,183.72/16,775.40 = 2,863.65/x
  3. Step 3: Cross multiply
    11,183.72x = 16,775.40 × 2,863.65
  4. Step 4: Simplify right side
    11,183.72x = 48,038,947.86
  5. Step 5: Solve for x
    x = 48,038,947.86/11,183.72
  6. Step 6: Final answer
    x = 4,295.44

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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.