Home / 19,819.88-27,350.82-10,867.15

Finding the Fourth Proportional to 19,819.88, 27,350.82 and 10,867.15

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Solution

The fourth proportional to 19,819.88, 27,350.82 and 10,867.15 is: 14,996.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.88 : 27,350.82 = 10,867.15 : x
  2. Step 2: Convert to fraction form
    19,819.88/27,350.82 = 10,867.15/x
  3. Step 3: Cross multiply
    19,819.88x = 27,350.82 × 10,867.15
  4. Step 4: Simplify right side
    19,819.88x = 297,225,463.56
  5. Step 5: Solve for x
    x = 297,225,463.56/19,819.88
  6. Step 6: Final answer
    x = 14,996.33

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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.