Home / 20,727.57-31,067.01-9,610.86

Finding the Fourth Proportional to 20,727.57, 31,067.01 and 9,610.86

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Solution

The fourth proportional to 20,727.57, 31,067.01 and 9,610.86 is: 14,405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727.57 : 31,067.01 = 9,610.86 : x
  2. Step 2: Convert to fraction form
    20,727.57/31,067.01 = 9,610.86/x
  3. Step 3: Cross multiply
    20,727.57x = 31,067.01 × 9,610.86
  4. Step 4: Simplify right side
    20,727.57x = 298,580,683.73
  5. Step 5: Solve for x
    x = 298,580,683.73/20,727.57
  6. Step 6: Final answer
    x = 14,405.00

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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.