Home / 20,142.67-30,222.26-10,793.25

Finding the Fourth Proportional to 20,142.67, 30,222.26 and 10,793.25

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Solution

The fourth proportional to 20,142.67, 30,222.26 and 10,793.25 is: 16,194.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142.67 : 30,222.26 = 10,793.25 : x
  2. Step 2: Convert to fraction form
    20,142.67/30,222.26 = 10,793.25/x
  3. Step 3: Cross multiply
    20,142.67x = 30,222.26 × 10,793.25
  4. Step 4: Simplify right side
    20,142.67x = 326,196,407.75
  5. Step 5: Solve for x
    x = 326,196,407.75/20,142.67
  6. Step 6: Final answer
    x = 16,194.30

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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.