Home / 22,251.26-30,706.71-12,179.61

Finding the Fourth Proportional to 22,251.26, 30,706.71 and 12,179.61

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Solution

The fourth proportional to 22,251.26, 30,706.71 and 12,179.61 is: 16,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,251.26 : 30,706.71 = 12,179.61 : x
  2. Step 2: Convert to fraction form
    22,251.26/30,706.71 = 12,179.61/x
  3. Step 3: Cross multiply
    22,251.26x = 30,706.71 × 12,179.61
  4. Step 4: Simplify right side
    22,251.26x = 373,995,688.66
  5. Step 5: Solve for x
    x = 373,995,688.66/22,251.26
  6. Step 6: Final answer
    x = 16,807.85

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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.