Home / 18,142.75-25,034.97-10,183.87

Finding the Fourth Proportional to 18,142.75, 25,034.97 and 10,183.87

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Solution

The fourth proportional to 18,142.75, 25,034.97 and 10,183.87 is: 14,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.75 : 25,034.97 = 10,183.87 : x
  2. Step 2: Convert to fraction form
    18,142.75/25,034.97 = 10,183.87/x
  3. Step 3: Cross multiply
    18,142.75x = 25,034.97 × 10,183.87
  4. Step 4: Simplify right side
    18,142.75x = 254,952,879.93
  5. Step 5: Solve for x
    x = 254,952,879.93/18,142.75
  6. Step 6: Final answer
    x = 14,052.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.