Home / 16,786.78-25,183.04-6,920.66

Finding the Fourth Proportional to 16,786.78, 25,183.04 and 6,920.66

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Solution

The fourth proportional to 16,786.78, 25,183.04 and 6,920.66 is: 10,382.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.78 : 25,183.04 = 6,920.66 : x
  2. Step 2: Convert to fraction form
    16,786.78/25,183.04 = 6,920.66/x
  3. Step 3: Cross multiply
    16,786.78x = 25,183.04 × 6,920.66
  4. Step 4: Simplify right side
    16,786.78x = 174,283,285.96
  5. Step 5: Solve for x
    x = 174,283,285.96/16,786.78
  6. Step 6: Final answer
    x = 10,382.18

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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.