Home / 20,401.14-30,600.90-5,609.66

Finding the Fourth Proportional to 20,401.14, 30,600.90 and 5,609.66

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Solution

The fourth proportional to 20,401.14, 30,600.90 and 5,609.66 is: 8,414.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401.14 : 30,600.90 = 5,609.66 : x
  2. Step 2: Convert to fraction form
    20,401.14/30,600.90 = 5,609.66/x
  3. Step 3: Cross multiply
    20,401.14x = 30,600.90 × 5,609.66
  4. Step 4: Simplify right side
    20,401.14x = 171,660,644.69
  5. Step 5: Solve for x
    x = 171,660,644.69/20,401.14
  6. Step 6: Final answer
    x = 8,414.27

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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.