Home / 11,123.14-16,684.68-2,803.80

Finding the Fourth Proportional to 11,123.14, 16,684.68 and 2,803.80

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Solution

The fourth proportional to 11,123.14, 16,684.68 and 2,803.80 is: 4,205.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123.14 : 16,684.68 = 2,803.80 : x
  2. Step 2: Convert to fraction form
    11,123.14/16,684.68 = 2,803.80/x
  3. Step 3: Cross multiply
    11,123.14x = 16,684.68 × 2,803.80
  4. Step 4: Simplify right side
    11,123.14x = 46,780,505.78
  5. Step 5: Solve for x
    x = 46,780,505.78/11,123.14
  6. Step 6: Final answer
    x = 4,205.69

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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.