Home / 11,265.21-16,898.72-3,474

Finding the Fourth Proportional to 11,265.21, 16,898.72 and 3,474

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Solution

The fourth proportional to 11,265.21, 16,898.72 and 3,474 is: 5,211.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.21 : 16,898.72 = 3,474 : x
  2. Step 2: Convert to fraction form
    11,265.21/16,898.72 = 3,474/x
  3. Step 3: Cross multiply
    11,265.21x = 16,898.72 × 3,474
  4. Step 4: Simplify right side
    11,265.21x = 58,706,135.91
  5. Step 5: Solve for x
    x = 58,706,135.91/11,265.21
  6. Step 6: Final answer
    x = 5,211.28

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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.