Home / 16,939.61-25,414.55-6,412.85

Finding the Fourth Proportional to 16,939.61, 25,414.55 and 6,412.85

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Solution

The fourth proportional to 16,939.61, 25,414.55 and 6,412.85 is: 9,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.61 : 25,414.55 = 6,412.85 : x
  2. Step 2: Convert to fraction form
    16,939.61/25,414.55 = 6,412.85/x
  3. Step 3: Cross multiply
    16,939.61x = 25,414.55 × 6,412.85
  4. Step 4: Simplify right side
    16,939.61x = 162,979,696.97
  5. Step 5: Solve for x
    x = 162,979,696.97/16,939.61
  6. Step 6: Final answer
    x = 9,621.22

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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.