Home / 18,119.50-25,002.44-10,161.24

Finding the Fourth Proportional to 18,119.50, 25,002.44 and 10,161.24

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Solution

The fourth proportional to 18,119.50, 25,002.44 and 10,161.24 is: 14,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.50 : 25,002.44 = 10,161.24 : x
  2. Step 2: Convert to fraction form
    18,119.50/25,002.44 = 10,161.24/x
  3. Step 3: Cross multiply
    18,119.50x = 25,002.44 × 10,161.24
  4. Step 4: Simplify right side
    18,119.50x = 254,055,793.43
  5. Step 5: Solve for x
    x = 254,055,793.43/18,119.50
  6. Step 6: Final answer
    x = 14,021.13

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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.