Home / 11,589.29-15,993.32-6,284.12

Finding the Fourth Proportional to 11,589.29, 15,993.32 and 6,284.12

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Solution

The fourth proportional to 11,589.29, 15,993.32 and 6,284.12 is: 8,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589.29 : 15,993.32 = 6,284.12 : x
  2. Step 2: Convert to fraction form
    11,589.29/15,993.32 = 6,284.12/x
  3. Step 3: Cross multiply
    11,589.29x = 15,993.32 × 6,284.12
  4. Step 4: Simplify right side
    11,589.29x = 100,503,942.08
  5. Step 5: Solve for x
    x = 100,503,942.08/11,589.29
  6. Step 6: Final answer
    x = 8,672.14

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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.