Home / 20,272.83-30,412.16-6,234.04

Finding the Fourth Proportional to 20,272.83, 30,412.16 and 6,234.04

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Solution

The fourth proportional to 20,272.83, 30,412.16 and 6,234.04 is: 9,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,272.83 : 30,412.16 = 6,234.04 : x
  2. Step 2: Convert to fraction form
    20,272.83/30,412.16 = 6,234.04/x
  3. Step 3: Cross multiply
    20,272.83x = 30,412.16 × 6,234.04
  4. Step 4: Simplify right side
    20,272.83x = 189,590,514.73
  5. Step 5: Solve for x
    x = 189,590,514.73/20,272.83
  6. Step 6: Final answer
    x = 9,351.95

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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.