Home / 11,484.27-17,218.66-3,985.90

Finding the Fourth Proportional to 11,484.27, 17,218.66 and 3,985.90

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Solution

The fourth proportional to 11,484.27, 17,218.66 and 3,985.90 is: 5,976.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,484.27 : 17,218.66 = 3,985.90 : x
  2. Step 2: Convert to fraction form
    11,484.27/17,218.66 = 3,985.90/x
  3. Step 3: Cross multiply
    11,484.27x = 17,218.66 × 3,985.90
  4. Step 4: Simplify right side
    11,484.27x = 68,631,750.87
  5. Step 5: Solve for x
    x = 68,631,750.87/11,484.27
  6. Step 6: Final answer
    x = 5,976.15

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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.