Home / 19,414.54-29,121.84-5,905.83

Finding the Fourth Proportional to 19,414.54, 29,121.84 and 5,905.83

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Solution

The fourth proportional to 19,414.54, 29,121.84 and 5,905.83 is: 8,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,414.54 : 29,121.84 = 5,905.83 : x
  2. Step 2: Convert to fraction form
    19,414.54/29,121.84 = 5,905.83/x
  3. Step 3: Cross multiply
    19,414.54x = 29,121.84 × 5,905.83
  4. Step 4: Simplify right side
    19,414.54x = 171,988,636.33
  5. Step 5: Solve for x
    x = 171,988,636.33/19,414.54
  6. Step 6: Final answer
    x = 8,858.75

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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.