Home / 18,097.82-27,135.75-8,100.72

Finding the Fourth Proportional to 18,097.82, 27,135.75 and 8,100.72

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Solution

The fourth proportional to 18,097.82, 27,135.75 and 8,100.72 is: 12,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.82 : 27,135.75 = 8,100.72 : x
  2. Step 2: Convert to fraction form
    18,097.82/27,135.75 = 8,100.72/x
  3. Step 3: Cross multiply
    18,097.82x = 27,135.75 × 8,100.72
  4. Step 4: Simplify right side
    18,097.82x = 219,819,112.74
  5. Step 5: Solve for x
    x = 219,819,112.74/18,097.82
  6. Step 6: Final answer
    x = 12,146.17

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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.