Home / 22,251.57-30,706.69-12,179.77

Finding the Fourth Proportional to 22,251.57, 30,706.69 and 12,179.77

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Solution

The fourth proportional to 22,251.57, 30,706.69 and 12,179.77 is: 16,807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,251.57 : 30,706.69 = 12,179.77 : x
  2. Step 2: Convert to fraction form
    22,251.57/30,706.69 = 12,179.77/x
  3. Step 3: Cross multiply
    22,251.57x = 30,706.69 × 12,179.77
  4. Step 4: Simplify right side
    22,251.57x = 374,000,421.66
  5. Step 5: Solve for x
    x = 374,000,421.66/22,251.57
  6. Step 6: Final answer
    x = 16,807.82

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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.