Home / 11,180.66-16,769.91-3,389.54

Finding the Fourth Proportional to 11,180.66, 16,769.91 and 3,389.54

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Solution

The fourth proportional to 11,180.66, 16,769.91 and 3,389.54 is: 5,083.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.66 : 16,769.91 = 3,389.54 : x
  2. Step 2: Convert to fraction form
    11,180.66/16,769.91 = 3,389.54/x
  3. Step 3: Cross multiply
    11,180.66x = 16,769.91 × 3,389.54
  4. Step 4: Simplify right side
    11,180.66x = 56,842,280.74
  5. Step 5: Solve for x
    x = 56,842,280.74/11,180.66
  6. Step 6: Final answer
    x = 5,083.98

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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.