Home / 20,409.45-30,584.97-11,626.22

Finding the Fourth Proportional to 20,409.45, 30,584.97 and 11,626.22

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Solution

The fourth proportional to 20,409.45, 30,584.97 and 11,626.22 is: 17,422.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,409.45 : 30,584.97 = 11,626.22 : x
  2. Step 2: Convert to fraction form
    20,409.45/30,584.97 = 11,626.22/x
  3. Step 3: Cross multiply
    20,409.45x = 30,584.97 × 11,626.22
  4. Step 4: Simplify right side
    20,409.45x = 355,587,436.99
  5. Step 5: Solve for x
    x = 355,587,436.99/20,409.45
  6. Step 6: Final answer
    x = 17,422.69

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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.