Home / 11,558.92-17,348.10-4,990.09

Finding the Fourth Proportional to 11,558.92, 17,348.10 and 4,990.09

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Solution

The fourth proportional to 11,558.92, 17,348.10 and 4,990.09 is: 7,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558.92 : 17,348.10 = 4,990.09 : x
  2. Step 2: Convert to fraction form
    11,558.92/17,348.10 = 4,990.09/x
  3. Step 3: Cross multiply
    11,558.92x = 17,348.10 × 4,990.09
  4. Step 4: Simplify right side
    11,558.92x = 86,568,580.33
  5. Step 5: Solve for x
    x = 86,568,580.33/11,558.92
  6. Step 6: Final answer
    x = 7,489.33

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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.