Home / 8,360.74-12,550.20-6,286.69

Finding the Fourth Proportional to 8,360.74, 12,550.20 and 6,286.69

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Solution

The fourth proportional to 8,360.74, 12,550.20 and 6,286.69 is: 9,436.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.74 : 12,550.20 = 6,286.69 : x
  2. Step 2: Convert to fraction form
    8,360.74/12,550.20 = 6,286.69/x
  3. Step 3: Cross multiply
    8,360.74x = 12,550.20 × 6,286.69
  4. Step 4: Simplify right side
    8,360.74x = 78,899,216.84
  5. Step 5: Solve for x
    x = 78,899,216.84/8,360.74
  6. Step 6: Final answer
    x = 9,436.87

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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.