Home / 20,004.06-30,006.10-5,212.94

Finding the Fourth Proportional to 20,004.06, 30,006.10 and 5,212.94

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Solution

The fourth proportional to 20,004.06, 30,006.10 and 5,212.94 is: 7,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.06 : 30,006.10 = 5,212.94 : x
  2. Step 2: Convert to fraction form
    20,004.06/30,006.10 = 5,212.94/x
  3. Step 3: Cross multiply
    20,004.06x = 30,006.10 × 5,212.94
  4. Step 4: Simplify right side
    20,004.06x = 156,419,998.93
  5. Step 5: Solve for x
    x = 156,419,998.93/20,004.06
  6. Step 6: Final answer
    x = 7,819.41

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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.