Home / 10,163.80-15,245.70-6,675.85

Finding the Fourth Proportional to 10,163.80, 15,245.70 and 6,675.85

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Solution

The fourth proportional to 10,163.80, 15,245.70 and 6,675.85 is: 10,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.80 : 15,245.70 = 6,675.85 : x
  2. Step 2: Convert to fraction form
    10,163.80/15,245.70 = 6,675.85/x
  3. Step 3: Cross multiply
    10,163.80x = 15,245.70 × 6,675.85
  4. Step 4: Simplify right side
    10,163.80x = 101,778,006.35
  5. Step 5: Solve for x
    x = 101,778,006.35/10,163.80
  6. Step 6: Final answer
    x = 10,013.78

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Double scale
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Similar ratio
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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.