Home / 11,176.46-16,766.75-3,680.45

Finding the Fourth Proportional to 11,176.46, 16,766.75 and 3,680.45

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Solution

The fourth proportional to 11,176.46, 16,766.75 and 3,680.45 is: 5,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.46 : 16,766.75 = 3,680.45 : x
  2. Step 2: Convert to fraction form
    11,176.46/16,766.75 = 3,680.45/x
  3. Step 3: Cross multiply
    11,176.46x = 16,766.75 × 3,680.45
  4. Step 4: Simplify right side
    11,176.46x = 61,709,185.04
  5. Step 5: Solve for x
    x = 61,709,185.04/11,176.46
  6. Step 6: Final answer
    x = 5,521.35

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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.