Home / 10,550.82-15,821.61-5,005.74

Finding the Fourth Proportional to 10,550.82, 15,821.61 and 5,005.74

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Solution

The fourth proportional to 10,550.82, 15,821.61 and 5,005.74 is: 7,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550.82 : 15,821.61 = 5,005.74 : x
  2. Step 2: Convert to fraction form
    10,550.82/15,821.61 = 5,005.74/x
  3. Step 3: Cross multiply
    10,550.82x = 15,821.61 × 5,005.74
  4. Step 4: Simplify right side
    10,550.82x = 79,198,869.14
  5. Step 5: Solve for x
    x = 79,198,869.14/10,550.82
  6. Step 6: Final answer
    x = 7,506.42

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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.