Home / 11,290.33-15,580.21-6,185.75

Finding the Fourth Proportional to 11,290.33, 15,580.21 and 6,185.75

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Solution

The fourth proportional to 11,290.33, 15,580.21 and 6,185.75 is: 8,536.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.33 : 15,580.21 = 6,185.75 : x
  2. Step 2: Convert to fraction form
    11,290.33/15,580.21 = 6,185.75/x
  3. Step 3: Cross multiply
    11,290.33x = 15,580.21 × 6,185.75
  4. Step 4: Simplify right side
    11,290.33x = 96,375,268.54
  5. Step 5: Solve for x
    x = 96,375,268.54/11,290.33
  6. Step 6: Final answer
    x = 8,536.09

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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.