Home / 20,161.62-30,239.19-6,310.62

Finding the Fourth Proportional to 20,161.62, 30,239.19 and 6,310.62

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Solution

The fourth proportional to 20,161.62, 30,239.19 and 6,310.62 is: 9,464.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161.62 : 30,239.19 = 6,310.62 : x
  2. Step 2: Convert to fraction form
    20,161.62/30,239.19 = 6,310.62/x
  3. Step 3: Cross multiply
    20,161.62x = 30,239.19 × 6,310.62
  4. Step 4: Simplify right side
    20,161.62x = 190,828,037.20
  5. Step 5: Solve for x
    x = 190,828,037.20/20,161.62
  6. Step 6: Final answer
    x = 9,464.92

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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.