Home / 20,412.36-30,625.14-10,016.82

Finding the Fourth Proportional to 20,412.36, 30,625.14 and 10,016.82

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Solution

The fourth proportional to 20,412.36, 30,625.14 and 10,016.82 is: 15,028.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412.36 : 30,625.14 = 10,016.82 : x
  2. Step 2: Convert to fraction form
    20,412.36/30,625.14 = 10,016.82/x
  3. Step 3: Cross multiply
    20,412.36x = 30,625.14 × 10,016.82
  4. Step 4: Simplify right side
    20,412.36x = 306,766,514.85
  5. Step 5: Solve for x
    x = 306,766,514.85/20,412.36
  6. Step 6: Final answer
    x = 15,028.47

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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.