Home / 20,198.33-30,297.03-5,407.25

Finding the Fourth Proportional to 20,198.33, 30,297.03 and 5,407.25

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Solution

The fourth proportional to 20,198.33, 30,297.03 and 5,407.25 is: 8,110.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198.33 : 30,297.03 = 5,407.25 : x
  2. Step 2: Convert to fraction form
    20,198.33/30,297.03 = 5,407.25/x
  3. Step 3: Cross multiply
    20,198.33x = 30,297.03 × 5,407.25
  4. Step 4: Simplify right side
    20,198.33x = 163,823,463.98
  5. Step 5: Solve for x
    x = 163,823,463.98/20,198.33
  6. Step 6: Final answer
    x = 8,110.75

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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.