Home / 13,730.82-20,596.23-3,342.54

Finding the Fourth Proportional to 13,730.82, 20,596.23 and 3,342.54

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Solution

The fourth proportional to 13,730.82, 20,596.23 and 3,342.54 is: 5,013.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,730.82 : 20,596.23 = 3,342.54 : x
  2. Step 2: Convert to fraction form
    13,730.82/20,596.23 = 3,342.54/x
  3. Step 3: Cross multiply
    13,730.82x = 20,596.23 × 3,342.54
  4. Step 4: Simplify right side
    13,730.82x = 68,843,722.62
  5. Step 5: Solve for x
    x = 68,843,722.62/13,730.82
  6. Step 6: Final answer
    x = 5,013.81

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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.