Home / 20,503.01-30,764.24-12,199.43

Finding the Fourth Proportional to 20,503.01, 30,764.24 and 12,199.43

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Solution

The fourth proportional to 20,503.01, 30,764.24 and 12,199.43 is: 18,304.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503.01 : 30,764.24 = 12,199.43 : x
  2. Step 2: Convert to fraction form
    20,503.01/30,764.24 = 12,199.43/x
  3. Step 3: Cross multiply
    20,503.01x = 30,764.24 × 12,199.43
  4. Step 4: Simplify right side
    20,503.01x = 375,306,131.39
  5. Step 5: Solve for x
    x = 375,306,131.39/20,503.01
  6. Step 6: Final answer
    x = 18,304.93

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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.