Home / 20,371.74-30,556.14-6,331.44

Finding the Fourth Proportional to 20,371.74, 30,556.14 and 6,331.44

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Solution

The fourth proportional to 20,371.74, 30,556.14 and 6,331.44 is: 9,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,371.74 : 30,556.14 = 6,331.44 : x
  2. Step 2: Convert to fraction form
    20,371.74/30,556.14 = 6,331.44/x
  3. Step 3: Cross multiply
    20,371.74x = 30,556.14 × 6,331.44
  4. Step 4: Simplify right side
    20,371.74x = 193,464,367.04
  5. Step 5: Solve for x
    x = 193,464,367.04/20,371.74
  6. Step 6: Final answer
    x = 9,496.70

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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.