Home / 20,017.22-30,029.49-6,866.69

Finding the Fourth Proportional to 20,017.22, 30,029.49 and 6,866.69

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Solution

The fourth proportional to 20,017.22, 30,029.49 and 6,866.69 is: 10,301.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.22 : 30,029.49 = 6,866.69 : x
  2. Step 2: Convert to fraction form
    20,017.22/30,029.49 = 6,866.69/x
  3. Step 3: Cross multiply
    20,017.22x = 30,029.49 × 6,866.69
  4. Step 4: Simplify right side
    20,017.22x = 206,203,048.54
  5. Step 5: Solve for x
    x = 206,203,048.54/20,017.22
  6. Step 6: Final answer
    x = 10,301.29

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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.