Home / 20,367.39-30,555.87-6,326.70

Finding the Fourth Proportional to 20,367.39, 30,555.87 and 6,326.70

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Solution

The fourth proportional to 20,367.39, 30,555.87 and 6,326.70 is: 9,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,367.39 : 30,555.87 = 6,326.70 : x
  2. Step 2: Convert to fraction form
    20,367.39/30,555.87 = 6,326.70/x
  3. Step 3: Cross multiply
    20,367.39x = 30,555.87 × 6,326.70
  4. Step 4: Simplify right side
    20,367.39x = 193,317,822.73
  5. Step 5: Solve for x
    x = 193,317,822.73/20,367.39
  6. Step 6: Final answer
    x = 9,491.54

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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.