Home / 11,089.78-16,634.94-3,298.66

Finding the Fourth Proportional to 11,089.78, 16,634.94 and 3,298.66

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Solution

The fourth proportional to 11,089.78, 16,634.94 and 3,298.66 is: 4,948.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.78 : 16,634.94 = 3,298.66 : x
  2. Step 2: Convert to fraction form
    11,089.78/16,634.94 = 3,298.66/x
  3. Step 3: Cross multiply
    11,089.78x = 16,634.94 × 3,298.66
  4. Step 4: Simplify right side
    11,089.78x = 54,873,011.18
  5. Step 5: Solve for x
    x = 54,873,011.18/11,089.78
  6. Step 6: Final answer
    x = 4,948.07

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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.