Home / 11,103.48-16,653.60-3,311.28

Finding the Fourth Proportional to 11,103.48, 16,653.60 and 3,311.28

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Solution

The fourth proportional to 11,103.48, 16,653.60 and 3,311.28 is: 4,966.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.48 : 16,653.60 = 3,311.28 : x
  2. Step 2: Convert to fraction form
    11,103.48/16,653.60 = 3,311.28/x
  3. Step 3: Cross multiply
    11,103.48x = 16,653.60 × 3,311.28
  4. Step 4: Simplify right side
    11,103.48x = 55,144,732.61
  5. Step 5: Solve for x
    x = 55,144,732.61/11,103.48
  6. Step 6: Final answer
    x = 4,966.44

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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.