Home / 19,222.18-28,834.49-8,126.80

Finding the Fourth Proportional to 19,222.18, 28,834.49 and 8,126.80

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Solution

The fourth proportional to 19,222.18, 28,834.49 and 8,126.80 is: 12,190.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.18 : 28,834.49 = 8,126.80 : x
  2. Step 2: Convert to fraction form
    19,222.18/28,834.49 = 8,126.80/x
  3. Step 3: Cross multiply
    19,222.18x = 28,834.49 × 8,126.80
  4. Step 4: Simplify right side
    19,222.18x = 234,332,133.33
  5. Step 5: Solve for x
    x = 234,332,133.33/19,222.18
  6. Step 6: Final answer
    x = 12,190.72

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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.