Home / 18,136.53-27,183.74-10,350.81

Finding the Fourth Proportional to 18,136.53, 27,183.74 and 10,350.81

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Solution

The fourth proportional to 18,136.53, 27,183.74 and 10,350.81 is: 15,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.53 : 27,183.74 = 10,350.81 : x
  2. Step 2: Convert to fraction form
    18,136.53/27,183.74 = 10,350.81/x
  3. Step 3: Cross multiply
    18,136.53x = 27,183.74 × 10,350.81
  4. Step 4: Simplify right side
    18,136.53x = 281,373,676.08
  5. Step 5: Solve for x
    x = 281,373,676.08/18,136.53
  6. Step 6: Final answer
    x = 15,514.20

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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.