Home / 20,262.33-30,402.24-10,891.38

Finding the Fourth Proportional to 20,262.33, 30,402.24 and 10,891.38

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Solution

The fourth proportional to 20,262.33, 30,402.24 and 10,891.38 is: 16,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.33 : 30,402.24 = 10,891.38 : x
  2. Step 2: Convert to fraction form
    20,262.33/30,402.24 = 10,891.38/x
  3. Step 3: Cross multiply
    20,262.33x = 30,402.24 × 10,891.38
  4. Step 4: Simplify right side
    20,262.33x = 331,122,348.69
  5. Step 5: Solve for x
    x = 331,122,348.69/20,262.33
  6. Step 6: Final answer
    x = 16,341.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.