Home / 19,739.28-29,609.13-11,414.24

Finding the Fourth Proportional to 19,739.28, 29,609.13 and 11,414.24

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Solution

The fourth proportional to 19,739.28, 29,609.13 and 11,414.24 is: 17,121.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.28 : 29,609.13 = 11,414.24 : x
  2. Step 2: Convert to fraction form
    19,739.28/29,609.13 = 11,414.24/x
  3. Step 3: Cross multiply
    19,739.28x = 29,609.13 × 11,414.24
  4. Step 4: Simplify right side
    19,739.28x = 337,965,567.97
  5. Step 5: Solve for x
    x = 337,965,567.97/19,739.28
  6. Step 6: Final answer
    x = 17,121.47

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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.