Home / 20,694.66-31,049.52-10,163.58

Finding the Fourth Proportional to 20,694.66, 31,049.52 and 10,163.58

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Solution

The fourth proportional to 20,694.66, 31,049.52 and 10,163.58 is: 15,249.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694.66 : 31,049.52 = 10,163.58 : x
  2. Step 2: Convert to fraction form
    20,694.66/31,049.52 = 10,163.58/x
  3. Step 3: Cross multiply
    20,694.66x = 31,049.52 × 10,163.58
  4. Step 4: Simplify right side
    20,694.66x = 315,574,280.48
  5. Step 5: Solve for x
    x = 315,574,280.48/20,694.66
  6. Step 6: Final answer
    x = 15,249.07

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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.