Home / 11,087.75-15,301.10-6,119.75

Finding the Fourth Proportional to 11,087.75, 15,301.10 and 6,119.75

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Solution

The fourth proportional to 11,087.75, 15,301.10 and 6,119.75 is: 8,445.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.75 : 15,301.10 = 6,119.75 : x
  2. Step 2: Convert to fraction form
    11,087.75/15,301.10 = 6,119.75/x
  3. Step 3: Cross multiply
    11,087.75x = 15,301.10 × 6,119.75
  4. Step 4: Simplify right side
    11,087.75x = 93,638,906.73
  5. Step 5: Solve for x
    x = 93,638,906.73/11,087.75
  6. Step 6: Final answer
    x = 8,445.26

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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.