Home / 20,198.30-30,297.45-9,092.01

Finding the Fourth Proportional to 20,198.30, 30,297.45 and 9,092.01

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Solution

The fourth proportional to 20,198.30, 30,297.45 and 9,092.01 is: 13,638.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198.30 : 30,297.45 = 9,092.01 : x
  2. Step 2: Convert to fraction form
    20,198.30/30,297.45 = 9,092.01/x
  3. Step 3: Cross multiply
    20,198.30x = 30,297.45 × 9,092.01
  4. Step 4: Simplify right side
    20,198.30x = 275,464,718.37
  5. Step 5: Solve for x
    x = 275,464,718.37/20,198.30
  6. Step 6: Final answer
    x = 13,638.02

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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.