Home / 10,387.92-15,584.52-2,992.38

Finding the Fourth Proportional to 10,387.92, 15,584.52 and 2,992.38

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Solution

The fourth proportional to 10,387.92, 15,584.52 and 2,992.38 is: 4,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.92 : 15,584.52 = 2,992.38 : x
  2. Step 2: Convert to fraction form
    10,387.92/15,584.52 = 2,992.38/x
  3. Step 3: Cross multiply
    10,387.92x = 15,584.52 × 2,992.38
  4. Step 4: Simplify right side
    10,387.92x = 46,634,805.96
  5. Step 5: Solve for x
    x = 46,634,805.96/10,387.92
  6. Step 6: Final answer
    x = 4,489.33

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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.