Home / 23,722.97-35,589.85-8,139.65

Finding the Fourth Proportional to 23,722.97, 35,589.85 and 8,139.65

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Solution

The fourth proportional to 23,722.97, 35,589.85 and 8,139.65 is: 12,211.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,722.97 : 35,589.85 = 8,139.65 : x
  2. Step 2: Convert to fraction form
    23,722.97/35,589.85 = 8,139.65/x
  3. Step 3: Cross multiply
    23,722.97x = 35,589.85 × 8,139.65
  4. Step 4: Simplify right side
    23,722.97x = 289,688,724.25
  5. Step 5: Solve for x
    x = 289,688,724.25/23,722.97
  6. Step 6: Final answer
    x = 12,211.32

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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.