Home / 18,944.73-28,400.90-7,266.33

Finding the Fourth Proportional to 18,944.73, 28,400.90 and 7,266.33

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Solution

The fourth proportional to 18,944.73, 28,400.90 and 7,266.33 is: 10,893.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944.73 : 28,400.90 = 7,266.33 : x
  2. Step 2: Convert to fraction form
    18,944.73/28,400.90 = 7,266.33/x
  3. Step 3: Cross multiply
    18,944.73x = 28,400.90 × 7,266.33
  4. Step 4: Simplify right side
    18,944.73x = 206,370,275.37
  5. Step 5: Solve for x
    x = 206,370,275.37/18,944.73
  6. Step 6: Final answer
    x = 10,893.28

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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.