Home / 20,494.89-30,736.26-8,805.38

Finding the Fourth Proportional to 20,494.89, 30,736.26 and 8,805.38

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Solution

The fourth proportional to 20,494.89, 30,736.26 and 8,805.38 is: 13,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494.89 : 30,736.26 = 8,805.38 : x
  2. Step 2: Convert to fraction form
    20,494.89/30,736.26 = 8,805.38/x
  3. Step 3: Cross multiply
    20,494.89x = 30,736.26 × 8,805.38
  4. Step 4: Simplify right side
    20,494.89x = 270,644,295.40
  5. Step 5: Solve for x
    x = 270,644,295.40/20,494.89
  6. Step 6: Final answer
    x = 13,205.45

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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.