Home / 19,682.84-27,161.25-11,299.34

Finding the Fourth Proportional to 19,682.84, 27,161.25 and 11,299.34

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Solution

The fourth proportional to 19,682.84, 27,161.25 and 11,299.34 is: 15,592.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.84 : 27,161.25 = 11,299.34 : x
  2. Step 2: Convert to fraction form
    19,682.84/27,161.25 = 11,299.34/x
  3. Step 3: Cross multiply
    19,682.84x = 27,161.25 × 11,299.34
  4. Step 4: Simplify right side
    19,682.84x = 306,904,198.58
  5. Step 5: Solve for x
    x = 306,904,198.58/19,682.84
  6. Step 6: Final answer
    x = 15,592.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.