Home / 20,514.39-30,772.22-6,474.54

Finding the Fourth Proportional to 20,514.39, 30,772.22 and 6,474.54

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Solution

The fourth proportional to 20,514.39, 30,772.22 and 6,474.54 is: 9,712.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.39 : 30,772.22 = 6,474.54 : x
  2. Step 2: Convert to fraction form
    20,514.39/30,772.22 = 6,474.54/x
  3. Step 3: Cross multiply
    20,514.39x = 30,772.22 × 6,474.54
  4. Step 4: Simplify right side
    20,514.39x = 199,235,936.91
  5. Step 5: Solve for x
    x = 199,235,936.91/20,514.39
  6. Step 6: Final answer
    x = 9,712.01

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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.