Home / 19,202.22-28,806.36-6,721.94

Finding the Fourth Proportional to 19,202.22, 28,806.36 and 6,721.94

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Solution

The fourth proportional to 19,202.22, 28,806.36 and 6,721.94 is: 10,083.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202.22 : 28,806.36 = 6,721.94 : x
  2. Step 2: Convert to fraction form
    19,202.22/28,806.36 = 6,721.94/x
  3. Step 3: Cross multiply
    19,202.22x = 28,806.36 × 6,721.94
  4. Step 4: Simplify right side
    19,202.22x = 193,634,623.54
  5. Step 5: Solve for x
    x = 193,634,623.54/19,202.22
  6. Step 6: Final answer
    x = 10,083.97

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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.