Home / 12,258.73-18,390.82-4,467.54

Finding the Fourth Proportional to 12,258.73, 18,390.82 and 4,467.54

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Solution

The fourth proportional to 12,258.73, 18,390.82 and 4,467.54 is: 6,702.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.73 : 18,390.82 = 4,467.54 : x
  2. Step 2: Convert to fraction form
    12,258.73/18,390.82 = 4,467.54/x
  3. Step 3: Cross multiply
    12,258.73x = 18,390.82 × 4,467.54
  4. Step 4: Simplify right side
    12,258.73x = 82,161,737.94
  5. Step 5: Solve for x
    x = 82,161,737.94/12,258.73
  6. Step 6: Final answer
    x = 6,702.31

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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.