Home / 20,557.93-30,846.30-11,183.90

Finding the Fourth Proportional to 20,557.93, 30,846.30 and 11,183.90

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Solution

The fourth proportional to 20,557.93, 30,846.30 and 11,183.90 is: 16,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,557.93 : 30,846.30 = 11,183.90 : x
  2. Step 2: Convert to fraction form
    20,557.93/30,846.30 = 11,183.90/x
  3. Step 3: Cross multiply
    20,557.93x = 30,846.30 × 11,183.90
  4. Step 4: Simplify right side
    20,557.93x = 344,981,878.65
  5. Step 5: Solve for x
    x = 344,981,878.65/20,557.93
  6. Step 6: Final answer
    x = 16,780.96

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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.