Home / 8,113.06-12,170.22-2,269.72

Finding the Fourth Proportional to 8,113.06, 12,170.22 and 2,269.72

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Solution

The fourth proportional to 8,113.06, 12,170.22 and 2,269.72 is: 3,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.06 : 12,170.22 = 2,269.72 : x
  2. Step 2: Convert to fraction form
    8,113.06/12,170.22 = 2,269.72/x
  3. Step 3: Cross multiply
    8,113.06x = 12,170.22 × 2,269.72
  4. Step 4: Simplify right side
    8,113.06x = 27,622,991.74
  5. Step 5: Solve for x
    x = 27,622,991.74/8,113.06
  6. Step 6: Final answer
    x = 3,404.76

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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.