Home / 18,828.72-28,243.17-6,348.85

Finding the Fourth Proportional to 18,828.72, 28,243.17 and 6,348.85

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Solution

The fourth proportional to 18,828.72, 28,243.17 and 6,348.85 is: 9,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.72 : 28,243.17 = 6,348.85 : x
  2. Step 2: Convert to fraction form
    18,828.72/28,243.17 = 6,348.85/x
  3. Step 3: Cross multiply
    18,828.72x = 28,243.17 × 6,348.85
  4. Step 4: Simplify right side
    18,828.72x = 179,311,579.25
  5. Step 5: Solve for x
    x = 179,311,579.25/18,828.72
  6. Step 6: Final answer
    x = 9,523.30

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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.