Home / 20,860.20-31,293.42-6,067.20

Finding the Fourth Proportional to 20,860.20, 31,293.42 and 6,067.20

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Solution

The fourth proportional to 20,860.20, 31,293.42 and 6,067.20 is: 9,101.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,860.20 : 31,293.42 = 6,067.20 : x
  2. Step 2: Convert to fraction form
    20,860.20/31,293.42 = 6,067.20/x
  3. Step 3: Cross multiply
    20,860.20x = 31,293.42 × 6,067.20
  4. Step 4: Simplify right side
    20,860.20x = 189,863,437.82
  5. Step 5: Solve for x
    x = 189,863,437.82/20,860.20
  6. Step 6: Final answer
    x = 9,101.71

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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.