Home / 20,408.33-30,610.34-6,556.25

Finding the Fourth Proportional to 20,408.33, 30,610.34 and 6,556.25

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Solution

The fourth proportional to 20,408.33, 30,610.34 and 6,556.25 is: 9,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,408.33 : 30,610.34 = 6,556.25 : x
  2. Step 2: Convert to fraction form
    20,408.33/30,610.34 = 6,556.25/x
  3. Step 3: Cross multiply
    20,408.33x = 30,610.34 × 6,556.25
  4. Step 4: Simplify right side
    20,408.33x = 200,689,008.84
  5. Step 5: Solve for x
    x = 200,689,008.84/20,408.33
  6. Step 6: Final answer
    x = 9,833.68

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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.