Home / 22,722.75-34,074.14-12,189.65

Finding the Fourth Proportional to 22,722.75, 34,074.14 and 12,189.65

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Solution

The fourth proportional to 22,722.75, 34,074.14 and 12,189.65 is: 18,279.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,722.75 : 34,074.14 = 12,189.65 : x
  2. Step 2: Convert to fraction form
    22,722.75/34,074.14 = 12,189.65/x
  3. Step 3: Cross multiply
    22,722.75x = 34,074.14 × 12,189.65
  4. Step 4: Simplify right side
    22,722.75x = 415,351,609.33
  5. Step 5: Solve for x
    x = 415,351,609.33/22,722.75
  6. Step 6: Final answer
    x = 18,279.11

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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.