Home / 20,324.55-30,467.00-8,481.74

Finding the Fourth Proportional to 20,324.55, 30,467.00 and 8,481.74

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Solution

The fourth proportional to 20,324.55, 30,467.00 and 8,481.74 is: 12,714.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324.55 : 30,467.00 = 8,481.74 : x
  2. Step 2: Convert to fraction form
    20,324.55/30,467.00 = 8,481.74/x
  3. Step 3: Cross multiply
    20,324.55x = 30,467.00 × 8,481.74
  4. Step 4: Simplify right side
    20,324.55x = 258,412,977.84
  5. Step 5: Solve for x
    x = 258,412,977.84/20,324.55
  6. Step 6: Final answer
    x = 12,714.33

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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.