Home / 11,240.78-15,513.14-6,205.97

Finding the Fourth Proportional to 11,240.78, 15,513.14 and 6,205.97

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Solution

The fourth proportional to 11,240.78, 15,513.14 and 6,205.97 is: 8,564.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.78 : 15,513.14 = 6,205.97 : x
  2. Step 2: Convert to fraction form
    11,240.78/15,513.14 = 6,205.97/x
  3. Step 3: Cross multiply
    11,240.78x = 15,513.14 × 6,205.97
  4. Step 4: Simplify right side
    11,240.78x = 96,274,112.47
  5. Step 5: Solve for x
    x = 96,274,112.47/11,240.78
  6. Step 6: Final answer
    x = 8,564.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.