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Finding the Fourth Proportional to 10,297.80, 15,446.70 and 8,183.70

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Solution

The fourth proportional to 10,297.80, 15,446.70 and 8,183.70 is: 12,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,297.80 : 15,446.70 = 8,183.70 : x
  2. Step 2: Convert to fraction form
    10,297.80/15,446.70 = 8,183.70/x
  3. Step 3: Cross multiply
    10,297.80x = 15,446.70 × 8,183.70
  4. Step 4: Simplify right side
    10,297.80x = 126,411,158.79
  5. Step 5: Solve for x
    x = 126,411,158.79/10,297.80
  6. Step 6: Final answer
    x = 12,275.55

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Similar ratio
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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.