Home / 10,868.80-16,297.20-3,370.28

Finding the Fourth Proportional to 10,868.80, 16,297.20 and 3,370.28

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Solution

The fourth proportional to 10,868.80, 16,297.20 and 3,370.28 is: 5,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.80 : 16,297.20 = 3,370.28 : x
  2. Step 2: Convert to fraction form
    10,868.80/16,297.20 = 3,370.28/x
  3. Step 3: Cross multiply
    10,868.80x = 16,297.20 × 3,370.28
  4. Step 4: Simplify right side
    10,868.80x = 54,926,110.36
  5. Step 5: Solve for x
    x = 54,926,110.36/10,868.80
  6. Step 6: Final answer
    x = 5,053.56

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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.