Home / 22,343.22-30,833.99-12,272.69

Finding the Fourth Proportional to 22,343.22, 30,833.99 and 12,272.69

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Solution

The fourth proportional to 22,343.22, 30,833.99 and 12,272.69 is: 16,936.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,343.22 : 30,833.99 = 12,272.69 : x
  2. Step 2: Convert to fraction form
    22,343.22/30,833.99 = 12,272.69/x
  3. Step 3: Cross multiply
    22,343.22x = 30,833.99 × 12,272.69
  4. Step 4: Simplify right side
    22,343.22x = 378,416,000.73
  5. Step 5: Solve for x
    x = 378,416,000.73/22,343.22
  6. Step 6: Final answer
    x = 16,936.50

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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.