Home / 10,764.69-16,147.03-3,369.18

Finding the Fourth Proportional to 10,764.69, 16,147.03 and 3,369.18

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Solution

The fourth proportional to 10,764.69, 16,147.03 and 3,369.18 is: 5,053.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,764.69 : 16,147.03 = 3,369.18 : x
  2. Step 2: Convert to fraction form
    10,764.69/16,147.03 = 3,369.18/x
  3. Step 3: Cross multiply
    10,764.69x = 16,147.03 × 3,369.18
  4. Step 4: Simplify right side
    10,764.69x = 54,402,250.54
  5. Step 5: Solve for x
    x = 54,402,250.54/10,764.69
  6. Step 6: Final answer
    x = 5,053.77

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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.