Home / 11,480.09-17,216.88-4,458.61

Finding the Fourth Proportional to 11,480.09, 17,216.88 and 4,458.61

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Solution

The fourth proportional to 11,480.09, 17,216.88 and 4,458.61 is: 6,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.09 : 17,216.88 = 4,458.61 : x
  2. Step 2: Convert to fraction form
    11,480.09/17,216.88 = 4,458.61/x
  3. Step 3: Cross multiply
    11,480.09x = 17,216.88 × 4,458.61
  4. Step 4: Simplify right side
    11,480.09x = 76,763,353.34
  5. Step 5: Solve for x
    x = 76,763,353.34/11,480.09
  6. Step 6: Final answer
    x = 6,686.65

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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.