Home / 10,906.43-15,052.28-6,656.60

Finding the Fourth Proportional to 10,906.43, 15,052.28 and 6,656.60

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Solution

The fourth proportional to 10,906.43, 15,052.28 and 6,656.60 is: 9,186.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.43 : 15,052.28 = 6,656.60 : x
  2. Step 2: Convert to fraction form
    10,906.43/15,052.28 = 6,656.60/x
  3. Step 3: Cross multiply
    10,906.43x = 15,052.28 × 6,656.60
  4. Step 4: Simplify right side
    10,906.43x = 100,197,067.56
  5. Step 5: Solve for x
    x = 100,197,067.56/10,906.43
  6. Step 6: Final answer
    x = 9,186.98

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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.