Home / 11,079.18-16,618.84-2,759.22

Finding the Fourth Proportional to 11,079.18, 16,618.84 and 2,759.22

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Solution

The fourth proportional to 11,079.18, 16,618.84 and 2,759.22 is: 4,138.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.18 : 16,618.84 = 2,759.22 : x
  2. Step 2: Convert to fraction form
    11,079.18/16,618.84 = 2,759.22/x
  3. Step 3: Cross multiply
    11,079.18x = 16,618.84 × 2,759.22
  4. Step 4: Simplify right side
    11,079.18x = 45,855,035.70
  5. Step 5: Solve for x
    x = 45,855,035.70/11,079.18
  6. Step 6: Final answer
    x = 4,138.85

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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.