Home / 13,072.44-19,608.75-3,211.80

Finding the Fourth Proportional to 13,072.44, 19,608.75 and 3,211.80

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Solution

The fourth proportional to 13,072.44, 19,608.75 and 3,211.80 is: 4,817.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.44 : 19,608.75 = 3,211.80 : x
  2. Step 2: Convert to fraction form
    13,072.44/19,608.75 = 3,211.80/x
  3. Step 3: Cross multiply
    13,072.44x = 19,608.75 × 3,211.80
  4. Step 4: Simplify right side
    13,072.44x = 62,979,383.25
  5. Step 5: Solve for x
    x = 62,979,383.25/13,072.44
  6. Step 6: Final answer
    x = 4,817.72

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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.