Home / 20,468.22-30,645.39-10,451.33

Finding the Fourth Proportional to 20,468.22, 30,645.39 and 10,451.33

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Solution

The fourth proportional to 20,468.22, 30,645.39 and 10,451.33 is: 15,647.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468.22 : 30,645.39 = 10,451.33 : x
  2. Step 2: Convert to fraction form
    20,468.22/30,645.39 = 10,451.33/x
  3. Step 3: Cross multiply
    20,468.22x = 30,645.39 × 10,451.33
  4. Step 4: Simplify right side
    20,468.22x = 320,285,083.87
  5. Step 5: Solve for x
    x = 320,285,083.87/20,468.22
  6. Step 6: Final answer
    x = 15,647.92

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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.