Home / 18,781.57-28,173.26-6,300.33

Finding the Fourth Proportional to 18,781.57, 28,173.26 and 6,300.33

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Solution

The fourth proportional to 18,781.57, 28,173.26 and 6,300.33 is: 9,450.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,781.57 : 28,173.26 = 6,300.33 : x
  2. Step 2: Convert to fraction form
    18,781.57/28,173.26 = 6,300.33/x
  3. Step 3: Cross multiply
    18,781.57x = 28,173.26 × 6,300.33
  4. Step 4: Simplify right side
    18,781.57x = 177,500,694.31
  5. Step 5: Solve for x
    x = 177,500,694.31/18,781.57
  6. Step 6: Final answer
    x = 9,450.79

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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.