Home / 11,226.38-15,492.50-6,190.78

Finding the Fourth Proportional to 11,226.38, 15,492.50 and 6,190.78

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Solution

The fourth proportional to 11,226.38, 15,492.50 and 6,190.78 is: 8,543.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.38 : 15,492.50 = 6,190.78 : x
  2. Step 2: Convert to fraction form
    11,226.38/15,492.50 = 6,190.78/x
  3. Step 3: Cross multiply
    11,226.38x = 15,492.50 × 6,190.78
  4. Step 4: Simplify right side
    11,226.38x = 95,910,659.15
  5. Step 5: Solve for x
    x = 95,910,659.15/11,226.38
  6. Step 6: Final answer
    x = 8,543.33

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.