Home / 11,249.10-16,863.13-5,005.73

Finding the Fourth Proportional to 11,249.10, 16,863.13 and 5,005.73

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Solution

The fourth proportional to 11,249.10, 16,863.13 and 5,005.73 is: 7,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.10 : 16,863.13 = 5,005.73 : x
  2. Step 2: Convert to fraction form
    11,249.10/16,863.13 = 5,005.73/x
  3. Step 3: Cross multiply
    11,249.10x = 16,863.13 × 5,005.73
  4. Step 4: Simplify right side
    11,249.10x = 84,412,191.42
  5. Step 5: Solve for x
    x = 84,412,191.42/11,249.10
  6. Step 6: Final answer
    x = 7,503.91

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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.