Home / 11,286.23-16,925.16-4,712.86

Finding the Fourth Proportional to 11,286.23, 16,925.16 and 4,712.86

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Solution

The fourth proportional to 11,286.23, 16,925.16 and 4,712.86 is: 7,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.23 : 16,925.16 = 4,712.86 : x
  2. Step 2: Convert to fraction form
    11,286.23/16,925.16 = 4,712.86/x
  3. Step 3: Cross multiply
    11,286.23x = 16,925.16 × 4,712.86
  4. Step 4: Simplify right side
    11,286.23x = 79,765,824.93
  5. Step 5: Solve for x
    x = 79,765,824.93/11,286.23
  6. Step 6: Final answer
    x = 7,067.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.