Home / 20,302.27-30,450.32-7,151.56

Finding the Fourth Proportional to 20,302.27, 30,450.32 and 7,151.56

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Solution

The fourth proportional to 20,302.27, 30,450.32 and 7,151.56 is: 10,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,302.27 : 30,450.32 = 7,151.56 : x
  2. Step 2: Convert to fraction form
    20,302.27/30,450.32 = 7,151.56/x
  3. Step 3: Cross multiply
    20,302.27x = 30,450.32 × 7,151.56
  4. Step 4: Simplify right side
    20,302.27x = 217,767,348.75
  5. Step 5: Solve for x
    x = 217,767,348.75/20,302.27
  6. Step 6: Final answer
    x = 10,726.26

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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.