Home / 11,589.82-15,993.91-6,284.64

Finding the Fourth Proportional to 11,589.82, 15,993.91 and 6,284.64

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Solution

The fourth proportional to 11,589.82, 15,993.91 and 6,284.64 is: 8,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589.82 : 15,993.91 = 6,284.64 : x
  2. Step 2: Convert to fraction form
    11,589.82/15,993.91 = 6,284.64/x
  3. Step 3: Cross multiply
    11,589.82x = 15,993.91 × 6,284.64
  4. Step 4: Simplify right side
    11,589.82x = 100,515,966.54
  5. Step 5: Solve for x
    x = 100,515,966.54/11,589.82
  6. Step 6: Final answer
    x = 8,672.78

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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.