Home / 20,162.62-30,240.69-6,311.62

Finding the Fourth Proportional to 20,162.62, 30,240.69 and 6,311.62

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Solution

The fourth proportional to 20,162.62, 30,240.69 and 6,311.62 is: 9,466.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.62 : 30,240.69 = 6,311.62 : x
  2. Step 2: Convert to fraction form
    20,162.62/30,240.69 = 6,311.62/x
  3. Step 3: Cross multiply
    20,162.62x = 30,240.69 × 6,311.62
  4. Step 4: Simplify right side
    20,162.62x = 190,867,743.82
  5. Step 5: Solve for x
    x = 190,867,743.82/20,162.62
  6. Step 6: Final answer
    x = 9,466.42

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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.