Home / 18,906.24-28,362.60-5,755.44

Finding the Fourth Proportional to 18,906.24, 28,362.60 and 5,755.44

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Solution

The fourth proportional to 18,906.24, 28,362.60 and 5,755.44 is: 8,634.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,906.24 : 28,362.60 = 5,755.44 : x
  2. Step 2: Convert to fraction form
    18,906.24/28,362.60 = 5,755.44/x
  3. Step 3: Cross multiply
    18,906.24x = 28,362.60 × 5,755.44
  4. Step 4: Simplify right side
    18,906.24x = 163,239,242.54
  5. Step 5: Solve for x
    x = 163,239,242.54/18,906.24
  6. Step 6: Final answer
    x = 8,634.15

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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.