Home / 11,286.20-15,573.57-6,249.71

Finding the Fourth Proportional to 11,286.20, 15,573.57 and 6,249.71

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Solution

The fourth proportional to 11,286.20, 15,573.57 and 6,249.71 is: 8,623.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.20 : 15,573.57 = 6,249.71 : x
  2. Step 2: Convert to fraction form
    11,286.20/15,573.57 = 6,249.71/x
  3. Step 3: Cross multiply
    11,286.20x = 15,573.57 × 6,249.71
  4. Step 4: Simplify right side
    11,286.20x = 97,330,296.16
  5. Step 5: Solve for x
    x = 97,330,296.16/11,286.20
  6. Step 6: Final answer
    x = 8,623.83

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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.