Home / 20,202.03-30,292.91-11,771.26

Finding the Fourth Proportional to 20,202.03, 30,292.91 and 11,771.26

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Solution

The fourth proportional to 20,202.03, 30,292.91 and 11,771.26 is: 17,650.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.03 : 30,292.91 = 11,771.26 : x
  2. Step 2: Convert to fraction form
    20,202.03/30,292.91 = 11,771.26/x
  3. Step 3: Cross multiply
    20,202.03x = 30,292.91 × 11,771.26
  4. Step 4: Simplify right side
    20,202.03x = 356,585,790.23
  5. Step 5: Solve for x
    x = 356,585,790.23/20,202.03
  6. Step 6: Final answer
    x = 17,650.99

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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.