Home / 22,028.68-30,398.76-11,956.91

Finding the Fourth Proportional to 22,028.68, 30,398.76 and 11,956.91

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Solution

The fourth proportional to 22,028.68, 30,398.76 and 11,956.91 is: 16,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,028.68 : 30,398.76 = 11,956.91 : x
  2. Step 2: Convert to fraction form
    22,028.68/30,398.76 = 11,956.91/x
  3. Step 3: Cross multiply
    22,028.68x = 30,398.76 × 11,956.91
  4. Step 4: Simplify right side
    22,028.68x = 363,475,170.93
  5. Step 5: Solve for x
    x = 363,475,170.93/22,028.68
  6. Step 6: Final answer
    x = 16,500.09

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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.