Home / 20,595.33-30,906.63-8,113.77

Finding the Fourth Proportional to 20,595.33, 30,906.63 and 8,113.77

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Solution

The fourth proportional to 20,595.33, 30,906.63 and 8,113.77 is: 12,176.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.33 : 30,906.63 = 8,113.77 : x
  2. Step 2: Convert to fraction form
    20,595.33/30,906.63 = 8,113.77/x
  3. Step 3: Cross multiply
    20,595.33x = 30,906.63 × 8,113.77
  4. Step 4: Simplify right side
    20,595.33x = 250,769,287.30
  5. Step 5: Solve for x
    x = 250,769,287.30/20,595.33
  6. Step 6: Final answer
    x = 12,176.03

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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.