Home / 18,142.75-25,035.62-10,183.42

Finding the Fourth Proportional to 18,142.75, 25,035.62 and 10,183.42

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Solution

The fourth proportional to 18,142.75, 25,035.62 and 10,183.42 is: 14,052.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.75 : 25,035.62 = 10,183.42 : x
  2. Step 2: Convert to fraction form
    18,142.75/25,035.62 = 10,183.42/x
  3. Step 3: Cross multiply
    18,142.75x = 25,035.62 × 10,183.42
  4. Step 4: Simplify right side
    18,142.75x = 254,948,213.80
  5. Step 5: Solve for x
    x = 254,948,213.80/18,142.75
  6. Step 6: Final answer
    x = 14,052.35

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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.