Home / 20,198.58-30,311.71-7,050.95

Finding the Fourth Proportional to 20,198.58, 30,311.71 and 7,050.95

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Solution

The fourth proportional to 20,198.58, 30,311.71 and 7,050.95 is: 10,581.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198.58 : 30,311.71 = 7,050.95 : x
  2. Step 2: Convert to fraction form
    20,198.58/30,311.71 = 7,050.95/x
  3. Step 3: Cross multiply
    20,198.58x = 30,311.71 × 7,050.95
  4. Step 4: Simplify right side
    20,198.58x = 213,726,351.62
  5. Step 5: Solve for x
    x = 213,726,351.62/20,198.58
  6. Step 6: Final answer
    x = 10,581.26

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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.