Home / 22,271.26-30,734.79-12,199.71

Finding the Fourth Proportional to 22,271.26, 30,734.79 and 12,199.71

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Solution

The fourth proportional to 22,271.26, 30,734.79 and 12,199.71 is: 16,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,271.26 : 30,734.79 = 12,199.71 : x
  2. Step 2: Convert to fraction form
    22,271.26/30,734.79 = 12,199.71/x
  3. Step 3: Cross multiply
    22,271.26x = 30,734.79 × 12,199.71
  4. Step 4: Simplify right side
    22,271.26x = 374,955,524.91
  5. Step 5: Solve for x
    x = 374,955,524.91/22,271.26
  6. Step 6: Final answer
    x = 16,835.85

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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.