Home / 20,193.33-30,287.59-5,403.39

Finding the Fourth Proportional to 20,193.33, 30,287.59 and 5,403.39

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Solution

The fourth proportional to 20,193.33, 30,287.59 and 5,403.39 is: 8,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.33 : 30,287.59 = 5,403.39 : x
  2. Step 2: Convert to fraction form
    20,193.33/30,287.59 = 5,403.39/x
  3. Step 3: Cross multiply
    20,193.33x = 30,287.59 × 5,403.39
  4. Step 4: Simplify right side
    20,193.33x = 163,655,660.93
  5. Step 5: Solve for x
    x = 163,655,660.93/20,193.33
  6. Step 6: Final answer
    x = 8,104.44

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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.