Home / 11,289.96-16,932.21-4,712.58

Finding the Fourth Proportional to 11,289.96, 16,932.21 and 4,712.58

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Solution

The fourth proportional to 11,289.96, 16,932.21 and 4,712.58 is: 7,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.96 : 16,932.21 = 4,712.58 : x
  2. Step 2: Convert to fraction form
    11,289.96/16,932.21 = 4,712.58/x
  3. Step 3: Cross multiply
    11,289.96x = 16,932.21 × 4,712.58
  4. Step 4: Simplify right side
    11,289.96x = 79,794,394.20
  5. Step 5: Solve for x
    x = 79,794,394.20/11,289.96
  6. Step 6: Final answer
    x = 7,067.73

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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.