Home / 20,375.09-30,552.56-7,225.49

Finding the Fourth Proportional to 20,375.09, 30,552.56 and 7,225.49

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Solution

The fourth proportional to 20,375.09, 30,552.56 and 7,225.49 is: 10,834.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,375.09 : 30,552.56 = 7,225.49 : x
  2. Step 2: Convert to fraction form
    20,375.09/30,552.56 = 7,225.49/x
  3. Step 3: Cross multiply
    20,375.09x = 30,552.56 × 7,225.49
  4. Step 4: Simplify right side
    20,375.09x = 220,757,180.63
  5. Step 5: Solve for x
    x = 220,757,180.63/20,375.09
  6. Step 6: Final answer
    x = 10,834.66

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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.