Home / 20,202.22-30,305.32-7,732.72

Finding the Fourth Proportional to 20,202.22, 30,305.32 and 7,732.72

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Solution

The fourth proportional to 20,202.22, 30,305.32 and 7,732.72 is: 11,599.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.22 : 30,305.32 = 7,732.72 : x
  2. Step 2: Convert to fraction form
    20,202.22/30,305.32 = 7,732.72/x
  3. Step 3: Cross multiply
    20,202.22x = 30,305.32 × 7,732.72
  4. Step 4: Simplify right side
    20,202.22x = 234,342,554.07
  5. Step 5: Solve for x
    x = 234,342,554.07/20,202.22
  6. Step 6: Final answer
    x = 11,599.84

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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.