Home / 22,279.27-30,745.32-12,207.67

Finding the Fourth Proportional to 22,279.27, 30,745.32 and 12,207.67

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Solution

The fourth proportional to 22,279.27, 30,745.32 and 12,207.67 is: 16,846.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,279.27 : 30,745.32 = 12,207.67 : x
  2. Step 2: Convert to fraction form
    22,279.27/30,745.32 = 12,207.67/x
  3. Step 3: Cross multiply
    22,279.27x = 30,745.32 × 12,207.67
  4. Step 4: Simplify right side
    22,279.27x = 375,328,720.60
  5. Step 5: Solve for x
    x = 375,328,720.60/22,279.27
  6. Step 6: Final answer
    x = 16,846.54

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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.