Home / 11,178.82-16,767.69-2,859.04

Finding the Fourth Proportional to 11,178.82, 16,767.69 and 2,859.04

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Solution

The fourth proportional to 11,178.82, 16,767.69 and 2,859.04 is: 4,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.82 : 16,767.69 = 2,859.04 : x
  2. Step 2: Convert to fraction form
    11,178.82/16,767.69 = 2,859.04/x
  3. Step 3: Cross multiply
    11,178.82x = 16,767.69 × 2,859.04
  4. Step 4: Simplify right side
    11,178.82x = 47,939,496.42
  5. Step 5: Solve for x
    x = 47,939,496.42/11,178.82
  6. Step 6: Final answer
    x = 4,288.42

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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.