Home / 20,195.69-30,306.15-7,716.83

Finding the Fourth Proportional to 20,195.69, 30,306.15 and 7,716.83

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Solution

The fourth proportional to 20,195.69, 30,306.15 and 7,716.83 is: 11,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.69 : 30,306.15 = 7,716.83 : x
  2. Step 2: Convert to fraction form
    20,195.69/30,306.15 = 7,716.83/x
  3. Step 3: Cross multiply
    20,195.69x = 30,306.15 × 7,716.83
  4. Step 4: Simplify right side
    20,195.69x = 233,867,255.97
  5. Step 5: Solve for x
    x = 233,867,255.97/20,195.69
  6. Step 6: Final answer
    x = 11,580.06

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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.