Home / 19,964.73-29,949.81-6,813.57

Finding the Fourth Proportional to 19,964.73, 29,949.81 and 6,813.57

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Solution

The fourth proportional to 19,964.73, 29,949.81 and 6,813.57 is: 10,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.73 : 29,949.81 = 6,813.57 : x
  2. Step 2: Convert to fraction form
    19,964.73/29,949.81 = 6,813.57/x
  3. Step 3: Cross multiply
    19,964.73x = 29,949.81 × 6,813.57
  4. Step 4: Simplify right side
    19,964.73x = 204,065,126.92
  5. Step 5: Solve for x
    x = 204,065,126.92/19,964.73
  6. Step 6: Final answer
    x = 10,221.28

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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.