Home / 20,997.23-31,488.55-6,202.17

Finding the Fourth Proportional to 20,997.23, 31,488.55 and 6,202.17

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Solution

The fourth proportional to 20,997.23, 31,488.55 and 6,202.17 is: 9,301.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,997.23 : 31,488.55 = 6,202.17 : x
  2. Step 2: Convert to fraction form
    20,997.23/31,488.55 = 6,202.17/x
  3. Step 3: Cross multiply
    20,997.23x = 31,488.55 × 6,202.17
  4. Step 4: Simplify right side
    20,997.23x = 195,297,324.65
  5. Step 5: Solve for x
    x = 195,297,324.65/20,997.23
  6. Step 6: Final answer
    x = 9,301.10

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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.