Home / 11,317.28-16,976.13-3,921.98

Finding the Fourth Proportional to 11,317.28, 16,976.13 and 3,921.98

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Solution

The fourth proportional to 11,317.28, 16,976.13 and 3,921.98 is: 5,883.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.28 : 16,976.13 = 3,921.98 : x
  2. Step 2: Convert to fraction form
    11,317.28/16,976.13 = 3,921.98/x
  3. Step 3: Cross multiply
    11,317.28x = 16,976.13 × 3,921.98
  4. Step 4: Simplify right side
    11,317.28x = 66,579,957.46
  5. Step 5: Solve for x
    x = 66,579,957.46/11,317.28
  6. Step 6: Final answer
    x = 5,883.04

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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.