Home / 19,939.48-29,910.36-10,067.20

Finding the Fourth Proportional to 19,939.48, 29,910.36 and 10,067.20

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Solution

The fourth proportional to 19,939.48, 29,910.36 and 10,067.20 is: 15,101.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.48 : 29,910.36 = 10,067.20 : x
  2. Step 2: Convert to fraction form
    19,939.48/29,910.36 = 10,067.20/x
  3. Step 3: Cross multiply
    19,939.48x = 29,910.36 × 10,067.20
  4. Step 4: Simplify right side
    19,939.48x = 301,113,576.19
  5. Step 5: Solve for x
    x = 301,113,576.19/19,939.48
  6. Step 6: Final answer
    x = 15,101.38

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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.