Home / 11,219.62-16,834.99-8,250.75

Finding the Fourth Proportional to 11,219.62, 16,834.99 and 8,250.75

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Solution

The fourth proportional to 11,219.62, 16,834.99 and 8,250.75 is: 12,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.62 : 16,834.99 = 8,250.75 : x
  2. Step 2: Convert to fraction form
    11,219.62/16,834.99 = 8,250.75/x
  3. Step 3: Cross multiply
    11,219.62x = 16,834.99 × 8,250.75
  4. Step 4: Simplify right side
    11,219.62x = 138,901,293.74
  5. Step 5: Solve for x
    x = 138,901,293.74/11,219.62
  6. Step 6: Final answer
    x = 12,380.21

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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.