Home / 11,316.80-16,976.13-3,525.61

Finding the Fourth Proportional to 11,316.80, 16,976.13 and 3,525.61

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Solution

The fourth proportional to 11,316.80, 16,976.13 and 3,525.61 is: 5,288.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.80 : 16,976.13 = 3,525.61 : x
  2. Step 2: Convert to fraction form
    11,316.80/16,976.13 = 3,525.61/x
  3. Step 3: Cross multiply
    11,316.80x = 16,976.13 × 3,525.61
  4. Step 4: Simplify right side
    11,316.80x = 59,851,209.69
  5. Step 5: Solve for x
    x = 59,851,209.69/11,316.80
  6. Step 6: Final answer
    x = 5,288.71

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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.