Home / 13,743.82-20,615.77-3,355.57

Finding the Fourth Proportional to 13,743.82, 20,615.77 and 3,355.57

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Solution

The fourth proportional to 13,743.82, 20,615.77 and 3,355.57 is: 5,033.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.82 : 20,615.77 = 3,355.57 : x
  2. Step 2: Convert to fraction form
    13,743.82/20,615.77 = 3,355.57/x
  3. Step 3: Cross multiply
    13,743.82x = 20,615.77 × 3,355.57
  4. Step 4: Simplify right side
    13,743.82x = 69,177,659.34
  5. Step 5: Solve for x
    x = 69,177,659.34/13,743.82
  6. Step 6: Final answer
    x = 5,033.36

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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.