Home / 20,001.22-29,991.75-6,669.49

Finding the Fourth Proportional to 20,001.22, 29,991.75 and 6,669.49

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Solution

The fourth proportional to 20,001.22, 29,991.75 and 6,669.49 is: 10,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.22 : 29,991.75 = 6,669.49 : x
  2. Step 2: Convert to fraction form
    20,001.22/29,991.75 = 6,669.49/x
  3. Step 3: Cross multiply
    20,001.22x = 29,991.75 × 6,669.49
  4. Step 4: Simplify right side
    20,001.22x = 200,029,676.71
  5. Step 5: Solve for x
    x = 200,029,676.71/20,001.22
  6. Step 6: Final answer
    x = 10,000.87

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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.