Home / 20,443.62-30,646.96-7,292.87

Finding the Fourth Proportional to 20,443.62, 30,646.96 and 7,292.87

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Solution

The fourth proportional to 20,443.62, 30,646.96 and 7,292.87 is: 10,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,443.62 : 30,646.96 = 7,292.87 : x
  2. Step 2: Convert to fraction form
    20,443.62/30,646.96 = 7,292.87/x
  3. Step 3: Cross multiply
    20,443.62x = 30,646.96 × 7,292.87
  4. Step 4: Simplify right side
    20,443.62x = 223,504,105.48
  5. Step 5: Solve for x
    x = 223,504,105.48/20,443.62
  6. Step 6: Final answer
    x = 10,932.71

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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.