Home / 20,449.02-30,668.97-7,969.38

Finding the Fourth Proportional to 20,449.02, 30,668.97 and 7,969.38

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Solution

The fourth proportional to 20,449.02, 30,668.97 and 7,969.38 is: 11,952.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,449.02 : 30,668.97 = 7,969.38 : x
  2. Step 2: Convert to fraction form
    20,449.02/30,668.97 = 7,969.38/x
  3. Step 3: Cross multiply
    20,449.02x = 30,668.97 × 7,969.38
  4. Step 4: Simplify right side
    20,449.02x = 244,412,676.14
  5. Step 5: Solve for x
    x = 244,412,676.14/20,449.02
  6. Step 6: Final answer
    x = 11,952.29

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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.