Home / 11,224.25-15,489.38-6,119.75

Finding the Fourth Proportional to 11,224.25, 15,489.38 and 6,119.75

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Solution

The fourth proportional to 11,224.25, 15,489.38 and 6,119.75 is: 8,445.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.25 : 15,489.38 = 6,119.75 : x
  2. Step 2: Convert to fraction form
    11,224.25/15,489.38 = 6,119.75/x
  3. Step 3: Cross multiply
    11,224.25x = 15,489.38 × 6,119.75
  4. Step 4: Simplify right side
    11,224.25x = 94,791,175.57
  5. Step 5: Solve for x
    x = 94,791,175.57/11,224.25
  6. Step 6: Final answer
    x = 8,445.21

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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.