Home / 22,403.87-33,610.67-6,821.09

Finding the Fourth Proportional to 22,403.87, 33,610.67 and 6,821.09

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Solution

The fourth proportional to 22,403.87, 33,610.67 and 6,821.09 is: 10,233.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,403.87 : 33,610.67 = 6,821.09 : x
  2. Step 2: Convert to fraction form
    22,403.87/33,610.67 = 6,821.09/x
  3. Step 3: Cross multiply
    22,403.87x = 33,610.67 × 6,821.09
  4. Step 4: Simplify right side
    22,403.87x = 229,261,370.92
  5. Step 5: Solve for x
    x = 229,261,370.92/22,403.87
  6. Step 6: Final answer
    x = 10,233.11

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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.