Home / 20,543.09-30,819.26-6,503.96

Finding the Fourth Proportional to 20,543.09, 30,819.26 and 6,503.96

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Solution

The fourth proportional to 20,543.09, 30,819.26 and 6,503.96 is: 9,757.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,543.09 : 30,819.26 = 6,503.96 : x
  2. Step 2: Convert to fraction form
    20,543.09/30,819.26 = 6,503.96/x
  3. Step 3: Cross multiply
    20,543.09x = 30,819.26 × 6,503.96
  4. Step 4: Simplify right side
    20,543.09x = 200,447,309.29
  5. Step 5: Solve for x
    x = 200,447,309.29/20,543.09
  6. Step 6: Final answer
    x = 9,757.41

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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.