Home / 11,224.80-15,489.60-6,256.80

Finding the Fourth Proportional to 11,224.80, 15,489.60 and 6,256.80

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Solution

The fourth proportional to 11,224.80, 15,489.60 and 6,256.80 is: 8,634.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.80 : 15,489.60 = 6,256.80 : x
  2. Step 2: Convert to fraction form
    11,224.80/15,489.60 = 6,256.80/x
  3. Step 3: Cross multiply
    11,224.80x = 15,489.60 × 6,256.80
  4. Step 4: Simplify right side
    11,224.80x = 96,915,329.28
  5. Step 5: Solve for x
    x = 96,915,329.28/11,224.80
  6. Step 6: Final answer
    x = 8,634.04

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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.