Home / 20,202.34-30,316.13-7,723.42

Finding the Fourth Proportional to 20,202.34, 30,316.13 and 7,723.42

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Solution

The fourth proportional to 20,202.34, 30,316.13 and 7,723.42 is: 11,589.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.34 : 30,316.13 = 7,723.42 : x
  2. Step 2: Convert to fraction form
    20,202.34/30,316.13 = 7,723.42/x
  3. Step 3: Cross multiply
    20,202.34x = 30,316.13 × 7,723.42
  4. Step 4: Simplify right side
    20,202.34x = 234,144,204.76
  5. Step 5: Solve for x
    x = 234,144,204.76/20,202.34
  6. Step 6: Final answer
    x = 11,589.95

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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.