Home / 11,211.72-15,472.88-6,177.05

Finding the Fourth Proportional to 11,211.72, 15,472.88 and 6,177.05

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Solution

The fourth proportional to 11,211.72, 15,472.88 and 6,177.05 is: 8,524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.72 : 15,472.88 = 6,177.05 : x
  2. Step 2: Convert to fraction form
    11,211.72/15,472.88 = 6,177.05/x
  3. Step 3: Cross multiply
    11,211.72x = 15,472.88 × 6,177.05
  4. Step 4: Simplify right side
    11,211.72x = 95,576,645.15
  5. Step 5: Solve for x
    x = 95,576,645.15/11,211.72
  6. Step 6: Final answer
    x = 8,524.71

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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.