Home / 11,269.41-16,911.68-4,255.89

Finding the Fourth Proportional to 11,269.41, 16,911.68 and 4,255.89

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Solution

The fourth proportional to 11,269.41, 16,911.68 and 4,255.89 is: 6,386.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.41 : 16,911.68 = 4,255.89 : x
  2. Step 2: Convert to fraction form
    11,269.41/16,911.68 = 4,255.89/x
  3. Step 3: Cross multiply
    11,269.41x = 16,911.68 × 4,255.89
  4. Step 4: Simplify right side
    11,269.41x = 71,974,228.52
  5. Step 5: Solve for x
    x = 71,974,228.52/11,269.41
  6. Step 6: Final answer
    x = 6,386.69

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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.