Home / 18,824.06-28,231.22-8,943.68

Finding the Fourth Proportional to 18,824.06, 28,231.22 and 8,943.68

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Solution

The fourth proportional to 18,824.06, 28,231.22 and 8,943.68 is: 13,413.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.06 : 28,231.22 = 8,943.68 : x
  2. Step 2: Convert to fraction form
    18,824.06/28,231.22 = 8,943.68/x
  3. Step 3: Cross multiply
    18,824.06x = 28,231.22 × 8,943.68
  4. Step 4: Simplify right side
    18,824.06x = 252,490,997.69
  5. Step 5: Solve for x
    x = 252,490,997.69/18,824.06
  6. Step 6: Final answer
    x = 13,413.21

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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.