Home / 22,296.43-30,767.55-12,222.78

Finding the Fourth Proportional to 22,296.43, 30,767.55 and 12,222.78

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Solution

The fourth proportional to 22,296.43, 30,767.55 and 12,222.78 is: 16,866.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,296.43 : 30,767.55 = 12,222.78 : x
  2. Step 2: Convert to fraction form
    22,296.43/30,767.55 = 12,222.78/x
  3. Step 3: Cross multiply
    22,296.43x = 30,767.55 × 12,222.78
  4. Step 4: Simplify right side
    22,296.43x = 376,065,006.64
  5. Step 5: Solve for x
    x = 376,065,006.64/22,296.43
  6. Step 6: Final answer
    x = 16,866.61

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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.