Home / 11,453.54-17,181.94-3,660.54

Finding the Fourth Proportional to 11,453.54, 17,181.94 and 3,660.54

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Solution

The fourth proportional to 11,453.54, 17,181.94 and 3,660.54 is: 5,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.54 : 17,181.94 = 3,660.54 : x
  2. Step 2: Convert to fraction form
    11,453.54/17,181.94 = 3,660.54/x
  3. Step 3: Cross multiply
    11,453.54x = 17,181.94 × 3,660.54
  4. Step 4: Simplify right side
    11,453.54x = 62,895,178.65
  5. Step 5: Solve for x
    x = 62,895,178.65/11,453.54
  6. Step 6: Final answer
    x = 5,491.33

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1.5x scale

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.