Home / 11,320.17-16,976.41-3,922.90

Finding the Fourth Proportional to 11,320.17, 16,976.41 and 3,922.90

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Solution

The fourth proportional to 11,320.17, 16,976.41 and 3,922.90 is: 5,883.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.17 : 16,976.41 = 3,922.90 : x
  2. Step 2: Convert to fraction form
    11,320.17/16,976.41 = 3,922.90/x
  3. Step 3: Cross multiply
    11,320.17x = 16,976.41 × 3,922.90
  4. Step 4: Simplify right side
    11,320.17x = 66,596,758.79
  5. Step 5: Solve for x
    x = 66,596,758.79/11,320.17
  6. Step 6: Final answer
    x = 5,883.02

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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.