Home / 11,169.60-15,415.20-10,825.44

Finding the Fourth Proportional to 11,169.60, 15,415.20 and 10,825.44

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Solution

The fourth proportional to 11,169.60, 15,415.20 and 10,825.44 is: 14,940.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.60 : 15,415.20 = 10,825.44 : x
  2. Step 2: Convert to fraction form
    11,169.60/15,415.20 = 10,825.44/x
  3. Step 3: Cross multiply
    11,169.60x = 15,415.20 × 10,825.44
  4. Step 4: Simplify right side
    11,169.60x = 166,876,322.69
  5. Step 5: Solve for x
    x = 166,876,322.69/11,169.60
  6. Step 6: Final answer
    x = 14,940.22

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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.