Home / 20,218.24-30,330.19-7,067.62

Finding the Fourth Proportional to 20,218.24, 30,330.19 and 7,067.62

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Solution

The fourth proportional to 20,218.24, 30,330.19 and 7,067.62 is: 10,602.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218.24 : 30,330.19 = 7,067.62 : x
  2. Step 2: Convert to fraction form
    20,218.24/30,330.19 = 7,067.62/x
  3. Step 3: Cross multiply
    20,218.24x = 30,330.19 × 7,067.62
  4. Step 4: Simplify right side
    20,218.24x = 214,362,105.80
  5. Step 5: Solve for x
    x = 214,362,105.80/20,218.24
  6. Step 6: Final answer
    x = 10,602.41

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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.