Home / 8,021.05-12,015.41-6,717.83

Finding the Fourth Proportional to 8,021.05, 12,015.41 and 6,717.83

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Solution

The fourth proportional to 8,021.05, 12,015.41 and 6,717.83 is: 10,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.05 : 12,015.41 = 6,717.83 : x
  2. Step 2: Convert to fraction form
    8,021.05/12,015.41 = 6,717.83/x
  3. Step 3: Cross multiply
    8,021.05x = 12,015.41 × 6,717.83
  4. Step 4: Simplify right side
    8,021.05x = 80,717,388.09
  5. Step 5: Solve for x
    x = 80,717,388.09/8,021.05
  6. Step 6: Final answer
    x = 10,063.20

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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.