Home / 19,966.25-29,952.07-6,815.09

Finding the Fourth Proportional to 19,966.25, 29,952.07 and 6,815.09

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Solution

The fourth proportional to 19,966.25, 29,952.07 and 6,815.09 is: 10,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.25 : 29,952.07 = 6,815.09 : x
  2. Step 2: Convert to fraction form
    19,966.25/29,952.07 = 6,815.09/x
  3. Step 3: Cross multiply
    19,966.25x = 29,952.07 × 6,815.09
  4. Step 4: Simplify right side
    19,966.25x = 204,125,868.90
  5. Step 5: Solve for x
    x = 204,125,868.90/19,966.25
  6. Step 6: Final answer
    x = 10,223.55

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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.