Home / 16,992.65-25,488.96-11,147.89

Finding the Fourth Proportional to 16,992.65, 25,488.96 and 11,147.89

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Solution

The fourth proportional to 16,992.65, 25,488.96 and 11,147.89 is: 16,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,992.65 : 25,488.96 = 11,147.89 : x
  2. Step 2: Convert to fraction form
    16,992.65/25,488.96 = 11,147.89/x
  3. Step 3: Cross multiply
    16,992.65x = 25,488.96 × 11,147.89
  4. Step 4: Simplify right side
    16,992.65x = 284,148,122.29
  5. Step 5: Solve for x
    x = 284,148,122.29/16,992.65
  6. Step 6: Final answer
    x = 16,721.83

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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.