Home / 19,110.24-28,665.24-10,786.44

Finding the Fourth Proportional to 19,110.24, 28,665.24 and 10,786.44

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Solution

The fourth proportional to 19,110.24, 28,665.24 and 10,786.44 is: 16,179.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.24 : 28,665.24 = 10,786.44 : x
  2. Step 2: Convert to fraction form
    19,110.24/28,665.24 = 10,786.44/x
  3. Step 3: Cross multiply
    19,110.24x = 28,665.24 × 10,786.44
  4. Step 4: Simplify right side
    19,110.24x = 309,195,891.35
  5. Step 5: Solve for x
    x = 309,195,891.35/19,110.24
  6. Step 6: Final answer
    x = 16,179.59

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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.