Home / 18,684.82-28,028.04-5,536.90

Finding the Fourth Proportional to 18,684.82, 28,028.04 and 5,536.90

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Solution

The fourth proportional to 18,684.82, 28,028.04 and 5,536.90 is: 8,305.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.82 : 28,028.04 = 5,536.90 : x
  2. Step 2: Convert to fraction form
    18,684.82/28,028.04 = 5,536.90/x
  3. Step 3: Cross multiply
    18,684.82x = 28,028.04 × 5,536.90
  4. Step 4: Simplify right side
    18,684.82x = 155,188,454.68
  5. Step 5: Solve for x
    x = 155,188,454.68/18,684.82
  6. Step 6: Final answer
    x = 8,305.59

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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.