Home / 18,821.85-25,974.66-10,324.35

Finding the Fourth Proportional to 18,821.85, 25,974.66 and 10,324.35

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Solution

The fourth proportional to 18,821.85, 25,974.66 and 10,324.35 is: 14,247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821.85 : 25,974.66 = 10,324.35 : x
  2. Step 2: Convert to fraction form
    18,821.85/25,974.66 = 10,324.35/x
  3. Step 3: Cross multiply
    18,821.85x = 25,974.66 × 10,324.35
  4. Step 4: Simplify right side
    18,821.85x = 268,171,480.97
  5. Step 5: Solve for x
    x = 268,171,480.97/18,821.85
  6. Step 6: Final answer
    x = 14,247.88

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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.