Home / 10,136.24-15,183.16-8,151.14

Finding the Fourth Proportional to 10,136.24, 15,183.16 and 8,151.14

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Solution

The fourth proportional to 10,136.24, 15,183.16 and 8,151.14 is: 12,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.24 : 15,183.16 = 8,151.14 : x
  2. Step 2: Convert to fraction form
    10,136.24/15,183.16 = 8,151.14/x
  3. Step 3: Cross multiply
    10,136.24x = 15,183.16 × 8,151.14
  4. Step 4: Simplify right side
    10,136.24x = 123,760,062.80
  5. Step 5: Solve for x
    x = 123,760,062.80/10,136.24
  6. Step 6: Final answer
    x = 12,209.66

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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.