Home / 10,012.87-15,020.04-2,992.33

Finding the Fourth Proportional to 10,012.87, 15,020.04 and 2,992.33

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Solution

The fourth proportional to 10,012.87, 15,020.04 and 2,992.33 is: 4,488.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.87 : 15,020.04 = 2,992.33 : x
  2. Step 2: Convert to fraction form
    10,012.87/15,020.04 = 2,992.33/x
  3. Step 3: Cross multiply
    10,012.87x = 15,020.04 × 2,992.33
  4. Step 4: Simplify right side
    10,012.87x = 44,944,916.29
  5. Step 5: Solve for x
    x = 44,944,916.29/10,012.87
  6. Step 6: Final answer
    x = 4,488.71

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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.