Home / 13,072.20-19,608.30-3,211.35

Finding the Fourth Proportional to 13,072.20, 19,608.30 and 3,211.35

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Solution

The fourth proportional to 13,072.20, 19,608.30 and 3,211.35 is: 4,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.20 : 19,608.30 = 3,211.35 : x
  2. Step 2: Convert to fraction form
    13,072.20/19,608.30 = 3,211.35/x
  3. Step 3: Cross multiply
    13,072.20x = 19,608.30 × 3,211.35
  4. Step 4: Simplify right side
    13,072.20x = 62,969,114.21
  5. Step 5: Solve for x
    x = 62,969,114.21/13,072.20
  6. Step 6: Final answer
    x = 4,817.03

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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.