Home / 11,286.24-16,920.09-5,660.18

Finding the Fourth Proportional to 11,286.24, 16,920.09 and 5,660.18

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Solution

The fourth proportional to 11,286.24, 16,920.09 and 5,660.18 is: 8,485.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.24 : 16,920.09 = 5,660.18 : x
  2. Step 2: Convert to fraction form
    11,286.24/16,920.09 = 5,660.18/x
  3. Step 3: Cross multiply
    11,286.24x = 16,920.09 × 5,660.18
  4. Step 4: Simplify right side
    11,286.24x = 95,770,733.87
  5. Step 5: Solve for x
    x = 95,770,733.87/11,286.24
  6. Step 6: Final answer
    x = 8,485.62

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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.