Home / 20,250.14-30,375.23-5,460.53

Finding the Fourth Proportional to 20,250.14, 30,375.23 and 5,460.53

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Solution

The fourth proportional to 20,250.14, 30,375.23 and 5,460.53 is: 8,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.14 : 30,375.23 = 5,460.53 : x
  2. Step 2: Convert to fraction form
    20,250.14/30,375.23 = 5,460.53/x
  3. Step 3: Cross multiply
    20,250.14x = 30,375.23 × 5,460.53
  4. Step 4: Simplify right side
    20,250.14x = 165,864,675.49
  5. Step 5: Solve for x
    x = 165,864,675.49/20,250.14
  6. Step 6: Final answer
    x = 8,190.79

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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.