Home / 9,660.09-14,491.28-3,418.81

Finding the Fourth Proportional to 9,660.09, 14,491.28 and 3,418.81

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Solution

The fourth proportional to 9,660.09, 14,491.28 and 3,418.81 is: 5,128.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.09 : 14,491.28 = 3,418.81 : x
  2. Step 2: Convert to fraction form
    9,660.09/14,491.28 = 3,418.81/x
  3. Step 3: Cross multiply
    9,660.09x = 14,491.28 × 3,418.81
  4. Step 4: Simplify right side
    9,660.09x = 49,542,932.98
  5. Step 5: Solve for x
    x = 49,542,932.98/9,660.09
  6. Step 6: Final answer
    x = 5,128.62

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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.