Home / 21,996.38-30,355.23-11,924.84

Finding the Fourth Proportional to 21,996.38, 30,355.23 and 11,924.84

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Solution

The fourth proportional to 21,996.38, 30,355.23 and 11,924.84 is: 16,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.38 : 30,355.23 = 11,924.84 : x
  2. Step 2: Convert to fraction form
    21,996.38/30,355.23 = 11,924.84/x
  3. Step 3: Cross multiply
    21,996.38x = 30,355.23 × 11,924.84
  4. Step 4: Simplify right side
    21,996.38x = 361,981,260.91
  5. Step 5: Solve for x
    x = 361,981,260.91/21,996.38
  6. Step 6: Final answer
    x = 16,456.40

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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.