Home / 19,320.82-28,974.94-6,170.06

Finding the Fourth Proportional to 19,320.82, 28,974.94 and 6,170.06

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Solution

The fourth proportional to 19,320.82, 28,974.94 and 6,170.06 is: 9,253.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320.82 : 28,974.94 = 6,170.06 : x
  2. Step 2: Convert to fraction form
    19,320.82/28,974.94 = 6,170.06/x
  3. Step 3: Cross multiply
    19,320.82x = 28,974.94 × 6,170.06
  4. Step 4: Simplify right side
    19,320.82x = 178,777,175.31
  5. Step 5: Solve for x
    x = 178,777,175.31/19,320.82
  6. Step 6: Final answer
    x = 9,253.09

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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.