Home / 11,589.91-15,993.96-6,284.69

Finding the Fourth Proportional to 11,589.91, 15,993.96 and 6,284.69

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Solution

The fourth proportional to 11,589.91, 15,993.96 and 6,284.69 is: 8,672.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589.91 : 15,993.96 = 6,284.69 : x
  2. Step 2: Convert to fraction form
    11,589.91/15,993.96 = 6,284.69/x
  3. Step 3: Cross multiply
    11,589.91x = 15,993.96 × 6,284.69
  4. Step 4: Simplify right side
    11,589.91x = 100,517,080.47
  5. Step 5: Solve for x
    x = 100,517,080.47/11,589.91
  6. Step 6: Final answer
    x = 8,672.81

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Half scale
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Double scale
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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.