Home / 8,013.53-12,020.30-2,170.14

Finding the Fourth Proportional to 8,013.53, 12,020.30 and 2,170.14

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Solution

The fourth proportional to 8,013.53, 12,020.30 and 2,170.14 is: 3,255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.53 : 12,020.30 = 2,170.14 : x
  2. Step 2: Convert to fraction form
    8,013.53/12,020.30 = 2,170.14/x
  3. Step 3: Cross multiply
    8,013.53x = 12,020.30 × 2,170.14
  4. Step 4: Simplify right side
    8,013.53x = 26,085,753.67
  5. Step 5: Solve for x
    x = 26,085,753.67/8,013.53
  6. Step 6: Final answer
    x = 3,255.21

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Double scale
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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.