Home / 11,236.24-15,496.68-8,436.88

Finding the Fourth Proportional to 11,236.24, 15,496.68 and 8,436.88

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Solution

The fourth proportional to 11,236.24, 15,496.68 and 8,436.88 is: 11,635.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.24 : 15,496.68 = 8,436.88 : x
  2. Step 2: Convert to fraction form
    11,236.24/15,496.68 = 8,436.88/x
  3. Step 3: Cross multiply
    11,236.24x = 15,496.68 × 8,436.88
  4. Step 4: Simplify right side
    11,236.24x = 130,743,629.56
  5. Step 5: Solve for x
    x = 130,743,629.56/11,236.24
  6. Step 6: Final answer
    x = 11,635.89

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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.