Home / 11,002.81-15,183.62-6,286.79

Finding the Fourth Proportional to 11,002.81, 15,183.62 and 6,286.79

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Solution

The fourth proportional to 11,002.81, 15,183.62 and 6,286.79 is: 8,675.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,002.81 : 15,183.62 = 6,286.79 : x
  2. Step 2: Convert to fraction form
    11,002.81/15,183.62 = 6,286.79/x
  3. Step 3: Cross multiply
    11,002.81x = 15,183.62 × 6,286.79
  4. Step 4: Simplify right side
    11,002.81x = 95,456,198.95
  5. Step 5: Solve for x
    x = 95,456,198.95/11,002.81
  6. Step 6: Final answer
    x = 8,675.62

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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.