Home / 19,813.91-29,725.41-6,665.93

Finding the Fourth Proportional to 19,813.91, 29,725.41 and 6,665.93

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Solution

The fourth proportional to 19,813.91, 29,725.41 and 6,665.93 is: 10,000.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.91 : 29,725.41 = 6,665.93 : x
  2. Step 2: Convert to fraction form
    19,813.91/29,725.41 = 6,665.93/x
  3. Step 3: Cross multiply
    19,813.91x = 29,725.41 × 6,665.93
  4. Step 4: Simplify right side
    19,813.91x = 198,147,353.65
  5. Step 5: Solve for x
    x = 198,147,353.65/19,813.91
  6. Step 6: Final answer
    x = 10,000.42

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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.