Home / 19,013.33-28,519.89-5,162.33

Finding the Fourth Proportional to 19,013.33, 28,519.89 and 5,162.33

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Solution

The fourth proportional to 19,013.33, 28,519.89 and 5,162.33 is: 7,743.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.33 : 28,519.89 = 5,162.33 : x
  2. Step 2: Convert to fraction form
    19,013.33/28,519.89 = 5,162.33/x
  3. Step 3: Cross multiply
    19,013.33x = 28,519.89 × 5,162.33
  4. Step 4: Simplify right side
    19,013.33x = 147,229,083.74
  5. Step 5: Solve for x
    x = 147,229,083.74/19,013.33
  6. Step 6: Final answer
    x = 7,743.47

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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.