Home / 20,469.22-30,646.89-10,452.33

Finding the Fourth Proportional to 20,469.22, 30,646.89 and 10,452.33

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Solution

The fourth proportional to 20,469.22, 30,646.89 and 10,452.33 is: 15,649.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,469.22 : 30,646.89 = 10,452.33 : x
  2. Step 2: Convert to fraction form
    20,469.22/30,646.89 = 10,452.33/x
  3. Step 3: Cross multiply
    20,469.22x = 30,646.89 × 10,452.33
  4. Step 4: Simplify right side
    20,469.22x = 320,331,407.75
  5. Step 5: Solve for x
    x = 320,331,407.75/20,469.22
  6. Step 6: Final answer
    x = 15,649.42

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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.