Home / 13,217.73-19,826.55-3,356.97

Finding the Fourth Proportional to 13,217.73, 19,826.55 and 3,356.97

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Solution

The fourth proportional to 13,217.73, 19,826.55 and 3,356.97 is: 5,035.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.73 : 19,826.55 = 3,356.97 : x
  2. Step 2: Convert to fraction form
    13,217.73/19,826.55 = 3,356.97/x
  3. Step 3: Cross multiply
    13,217.73x = 19,826.55 × 3,356.97
  4. Step 4: Simplify right side
    13,217.73x = 66,557,133.55
  5. Step 5: Solve for x
    x = 66,557,133.55/13,217.73
  6. Step 6: Final answer
    x = 5,035.44

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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.