Home / 13,195.84-19,793.28-3,961.60

Finding the Fourth Proportional to 13,195.84, 19,793.28 and 3,961.60

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Solution

The fourth proportional to 13,195.84, 19,793.28 and 3,961.60 is: 5,942.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.84 : 19,793.28 = 3,961.60 : x
  2. Step 2: Convert to fraction form
    13,195.84/19,793.28 = 3,961.60/x
  3. Step 3: Cross multiply
    13,195.84x = 19,793.28 × 3,961.60
  4. Step 4: Simplify right side
    13,195.84x = 78,413,058.05
  5. Step 5: Solve for x
    x = 78,413,058.05/13,195.84
  6. Step 6: Final answer
    x = 5,942.26

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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.