Home / 8,012.12-12,024.38-5,238.04

Finding the Fourth Proportional to 8,012.12, 12,024.38 and 5,238.04

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Solution

The fourth proportional to 8,012.12, 12,024.38 and 5,238.04 is: 7,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.12 : 12,024.38 = 5,238.04 : x
  2. Step 2: Convert to fraction form
    8,012.12/12,024.38 = 5,238.04/x
  3. Step 3: Cross multiply
    8,012.12x = 12,024.38 × 5,238.04
  4. Step 4: Simplify right side
    8,012.12x = 62,984,183.42
  5. Step 5: Solve for x
    x = 62,984,183.42/8,012.12
  6. Step 6: Final answer
    x = 7,861.11

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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.