Home / 11,142.19-16,704.61-5,515.98

Finding the Fourth Proportional to 11,142.19, 16,704.61 and 5,515.98

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Solution

The fourth proportional to 11,142.19, 16,704.61 and 5,515.98 is: 8,269.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142.19 : 16,704.61 = 5,515.98 : x
  2. Step 2: Convert to fraction form
    11,142.19/16,704.61 = 5,515.98/x
  3. Step 3: Cross multiply
    11,142.19x = 16,704.61 × 5,515.98
  4. Step 4: Simplify right side
    11,142.19x = 92,142,294.67
  5. Step 5: Solve for x
    x = 92,142,294.67/11,142.19
  6. Step 6: Final answer
    x = 8,269.68

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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.