Home / 16,922.49-25,387.78-5,235.71

Finding the Fourth Proportional to 16,922.49, 25,387.78 and 5,235.71

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Solution

The fourth proportional to 16,922.49, 25,387.78 and 5,235.71 is: 7,854.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,922.49 : 25,387.78 = 5,235.71 : x
  2. Step 2: Convert to fraction form
    16,922.49/25,387.78 = 5,235.71/x
  3. Step 3: Cross multiply
    16,922.49x = 25,387.78 × 5,235.71
  4. Step 4: Simplify right side
    16,922.49x = 132,922,923.41
  5. Step 5: Solve for x
    x = 132,922,923.41/16,922.49
  6. Step 6: Final answer
    x = 7,854.81

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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.