Home / 20,087.32-30,104.82-11,202.28

Finding the Fourth Proportional to 20,087.32, 30,104.82 and 11,202.28

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Solution

The fourth proportional to 20,087.32, 30,104.82 and 11,202.28 is: 16,788.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087.32 : 30,104.82 = 11,202.28 : x
  2. Step 2: Convert to fraction form
    20,087.32/30,104.82 = 11,202.28/x
  3. Step 3: Cross multiply
    20,087.32x = 30,104.82 × 11,202.28
  4. Step 4: Simplify right side
    20,087.32x = 337,242,622.99
  5. Step 5: Solve for x
    x = 337,242,622.99/20,087.32
  6. Step 6: Final answer
    x = 16,788.83

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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.