Home / 22,272.45-30,734.35-12,199.26

Finding the Fourth Proportional to 22,272.45, 30,734.35 and 12,199.26

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Solution

The fourth proportional to 22,272.45, 30,734.35 and 12,199.26 is: 16,834.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.45 : 30,734.35 = 12,199.26 : x
  2. Step 2: Convert to fraction form
    22,272.45/30,734.35 = 12,199.26/x
  3. Step 3: Cross multiply
    22,272.45x = 30,734.35 × 12,199.26
  4. Step 4: Simplify right side
    22,272.45x = 374,936,326.58
  5. Step 5: Solve for x
    x = 374,936,326.58/22,272.45
  6. Step 6: Final answer
    x = 16,834.09

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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.