Home / 20,447.82-30,653.49-7,297.26

Finding the Fourth Proportional to 20,447.82, 30,653.49 and 7,297.26

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Solution

The fourth proportional to 20,447.82, 30,653.49 and 7,297.26 is: 10,939.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447.82 : 30,653.49 = 7,297.26 : x
  2. Step 2: Convert to fraction form
    20,447.82/30,653.49 = 7,297.26/x
  3. Step 3: Cross multiply
    20,447.82x = 30,653.49 × 7,297.26
  4. Step 4: Simplify right side
    20,447.82x = 223,686,486.44
  5. Step 5: Solve for x
    x = 223,686,486.44/20,447.82
  6. Step 6: Final answer
    x = 10,939.38

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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.