Home / 11,214.24-16,822.14-3,428.52

Finding the Fourth Proportional to 11,214.24, 16,822.14 and 3,428.52

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Solution

The fourth proportional to 11,214.24, 16,822.14 and 3,428.52 is: 5,143.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.24 : 16,822.14 = 3,428.52 : x
  2. Step 2: Convert to fraction form
    11,214.24/16,822.14 = 3,428.52/x
  3. Step 3: Cross multiply
    11,214.24x = 16,822.14 × 3,428.52
  4. Step 4: Simplify right side
    11,214.24x = 57,675,043.43
  5. Step 5: Solve for x
    x = 57,675,043.43/11,214.24
  6. Step 6: Final answer
    x = 5,143.02

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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.