Home / 13,636.83-20,452.97-3,777.11

Finding the Fourth Proportional to 13,636.83, 20,452.97 and 3,777.11

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Solution

The fourth proportional to 13,636.83, 20,452.97 and 3,777.11 is: 5,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636.83 : 20,452.97 = 3,777.11 : x
  2. Step 2: Convert to fraction form
    13,636.83/20,452.97 = 3,777.11/x
  3. Step 3: Cross multiply
    13,636.83x = 20,452.97 × 3,777.11
  4. Step 4: Simplify right side
    13,636.83x = 77,253,117.52
  5. Step 5: Solve for x
    x = 77,253,117.52/13,636.83
  6. Step 6: Final answer
    x = 5,665.03

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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.