Home / 20,166.54-30,251.25-5,375.38

Finding the Fourth Proportional to 20,166.54, 30,251.25 and 5,375.38

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Solution

The fourth proportional to 20,166.54, 30,251.25 and 5,375.38 is: 8,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166.54 : 30,251.25 = 5,375.38 : x
  2. Step 2: Convert to fraction form
    20,166.54/30,251.25 = 5,375.38/x
  3. Step 3: Cross multiply
    20,166.54x = 30,251.25 × 5,375.38
  4. Step 4: Simplify right side
    20,166.54x = 162,611,964.23
  5. Step 5: Solve for x
    x = 162,611,964.23/20,166.54
  6. Step 6: Final answer
    x = 8,063.45

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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.