Home / 18,283.20-25,224.66-11,906.88

Finding the Fourth Proportional to 18,283.20, 25,224.66 and 11,906.88

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Solution

The fourth proportional to 18,283.20, 25,224.66 and 11,906.88 is: 16,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.20 : 25,224.66 = 11,906.88 : x
  2. Step 2: Convert to fraction form
    18,283.20/25,224.66 = 11,906.88/x
  3. Step 3: Cross multiply
    18,283.20x = 25,224.66 × 11,906.88
  4. Step 4: Simplify right side
    18,283.20x = 300,346,999.66
  5. Step 5: Solve for x
    x = 300,346,999.66/18,283.20
  6. Step 6: Final answer
    x = 16,427.49

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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.