Home / 22,270.40-30,733.44-12,199.04

Finding the Fourth Proportional to 22,270.40, 30,733.44 and 12,199.04

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Solution

The fourth proportional to 22,270.40, 30,733.44 and 12,199.04 is: 16,834.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.40 : 30,733.44 = 12,199.04 : x
  2. Step 2: Convert to fraction form
    22,270.40/30,733.44 = 12,199.04/x
  3. Step 3: Cross multiply
    22,270.40x = 30,733.44 × 12,199.04
  4. Step 4: Simplify right side
    22,270.40x = 374,918,463.90
  5. Step 5: Solve for x
    x = 374,918,463.90/22,270.40
  6. Step 6: Final answer
    x = 16,834.83

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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.