Home / 10,945.68-15,105.80-6,229.96

Finding the Fourth Proportional to 10,945.68, 15,105.80 and 6,229.96

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Solution

The fourth proportional to 10,945.68, 15,105.80 and 6,229.96 is: 8,597.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.68 : 15,105.80 = 6,229.96 : x
  2. Step 2: Convert to fraction form
    10,945.68/15,105.80 = 6,229.96/x
  3. Step 3: Cross multiply
    10,945.68x = 15,105.80 × 6,229.96
  4. Step 4: Simplify right side
    10,945.68x = 94,108,454.24
  5. Step 5: Solve for x
    x = 94,108,454.24/10,945.68
  6. Step 6: Final answer
    x = 8,597.78

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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.