Home / 20,111.99-30,156.23-6,067.80

Finding the Fourth Proportional to 20,111.99, 30,156.23 and 6,067.80

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Solution

The fourth proportional to 20,111.99, 30,156.23 and 6,067.80 is: 9,098.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111.99 : 30,156.23 = 6,067.80 : x
  2. Step 2: Convert to fraction form
    20,111.99/30,156.23 = 6,067.80/x
  3. Step 3: Cross multiply
    20,111.99x = 30,156.23 × 6,067.80
  4. Step 4: Simplify right side
    20,111.99x = 182,981,987.56
  5. Step 5: Solve for x
    x = 182,981,987.56/20,111.99
  6. Step 6: Final answer
    x = 9,098.16

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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.