Home / 20,042.74-30,067.35-8,357.14

Finding the Fourth Proportional to 20,042.74, 30,067.35 and 8,357.14

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Solution

The fourth proportional to 20,042.74, 30,067.35 and 8,357.14 is: 12,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.74 : 30,067.35 = 8,357.14 : x
  2. Step 2: Convert to fraction form
    20,042.74/30,067.35 = 8,357.14/x
  3. Step 3: Cross multiply
    20,042.74x = 30,067.35 × 8,357.14
  4. Step 4: Simplify right side
    20,042.74x = 251,277,053.38
  5. Step 5: Solve for x
    x = 251,277,053.38/20,042.74
  6. Step 6: Final answer
    x = 12,537.06

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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.