Home / 11,291.29-16,937.46-5,452.81

Finding the Fourth Proportional to 11,291.29, 16,937.46 and 5,452.81

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Solution

The fourth proportional to 11,291.29, 16,937.46 and 5,452.81 is: 8,179.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.29 : 16,937.46 = 5,452.81 : x
  2. Step 2: Convert to fraction form
    11,291.29/16,937.46 = 5,452.81/x
  3. Step 3: Cross multiply
    11,291.29x = 16,937.46 × 5,452.81
  4. Step 4: Simplify right side
    11,291.29x = 92,356,708.92
  5. Step 5: Solve for x
    x = 92,356,708.92/11,291.29
  6. Step 6: Final answer
    x = 8,179.47

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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.