Home / 9,949.91-14,931-5,791.77

Finding the Fourth Proportional to 9,949.91, 14,931 and 5,791.77

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Solution

The fourth proportional to 9,949.91, 14,931 and 5,791.77 is: 8,691.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949.91 : 14,931 = 5,791.77 : x
  2. Step 2: Convert to fraction form
    9,949.91/14,931 = 5,791.77/x
  3. Step 3: Cross multiply
    9,949.91x = 14,931 × 5,791.77
  4. Step 4: Simplify right side
    9,949.91x = 86,476,917.87
  5. Step 5: Solve for x
    x = 86,476,917.87/9,949.91
  6. Step 6: Final answer
    x = 8,691.23

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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.