Home / 11,084.49-15,296.60-7,105.61

Finding the Fourth Proportional to 11,084.49, 15,296.60 and 7,105.61

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Solution

The fourth proportional to 11,084.49, 15,296.60 and 7,105.61 is: 9,805.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,084.49 : 15,296.60 = 7,105.61 : x
  2. Step 2: Convert to fraction form
    11,084.49/15,296.60 = 7,105.61/x
  3. Step 3: Cross multiply
    11,084.49x = 15,296.60 × 7,105.61
  4. Step 4: Simplify right side
    11,084.49x = 108,691,673.93
  5. Step 5: Solve for x
    x = 108,691,673.93/11,084.49
  6. Step 6: Final answer
    x = 9,805.74

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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.