Home / 11,177.84-16,766.72-3,386.64

Finding the Fourth Proportional to 11,177.84, 16,766.72 and 3,386.64

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Solution

The fourth proportional to 11,177.84, 16,766.72 and 3,386.64 is: 5,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.84 : 16,766.72 = 3,386.64 : x
  2. Step 2: Convert to fraction form
    11,177.84/16,766.72 = 3,386.64/x
  3. Step 3: Cross multiply
    11,177.84x = 16,766.72 × 3,386.64
  4. Step 4: Simplify right side
    11,177.84x = 56,782,844.62
  5. Step 5: Solve for x
    x = 56,782,844.62/11,177.84
  6. Step 6: Final answer
    x = 5,079.95

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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.