Home / 18,789.53-28,183.29-6,309.65

Finding the Fourth Proportional to 18,789.53, 28,183.29 and 6,309.65

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Solution

The fourth proportional to 18,789.53, 28,183.29 and 6,309.65 is: 9,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789.53 : 28,183.29 = 6,309.65 : x
  2. Step 2: Convert to fraction form
    18,789.53/28,183.29 = 6,309.65/x
  3. Step 3: Cross multiply
    18,789.53x = 28,183.29 × 6,309.65
  4. Step 4: Simplify right side
    18,789.53x = 177,826,554.83
  5. Step 5: Solve for x
    x = 177,826,554.83/18,789.53
  6. Step 6: Final answer
    x = 9,464.13

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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.