Home / 27,911.31-41,863.62-9,186.69

Finding the Fourth Proportional to 27,911.31, 41,863.62 and 9,186.69

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Solution

The fourth proportional to 27,911.31, 41,863.62 and 9,186.69 is: 13,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,911.31 : 41,863.62 = 9,186.69 : x
  2. Step 2: Convert to fraction form
    27,911.31/41,863.62 = 9,186.69/x
  3. Step 3: Cross multiply
    27,911.31x = 41,863.62 × 9,186.69
  4. Step 4: Simplify right side
    27,911.31x = 384,588,099.22
  5. Step 5: Solve for x
    x = 384,588,099.22/27,911.31
  6. Step 6: Final answer
    x = 13,778.93

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1.5x scale

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.