Home / 17,618.45-24,299.33-15,489.47

Finding the Fourth Proportional to 17,618.45, 24,299.33 and 15,489.47

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Solution

The fourth proportional to 17,618.45, 24,299.33 and 15,489.47 is: 21,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.45 : 24,299.33 = 15,489.47 : x
  2. Step 2: Convert to fraction form
    17,618.45/24,299.33 = 15,489.47/x
  3. Step 3: Cross multiply
    17,618.45x = 24,299.33 × 15,489.47
  4. Step 4: Simplify right side
    17,618.45x = 376,383,726.36
  5. Step 5: Solve for x
    x = 376,383,726.36/17,618.45
  6. Step 6: Final answer
    x = 21,363.05

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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.