Home / 11,586.58-17,379.62-2,821.54

Finding the Fourth Proportional to 11,586.58, 17,379.62 and 2,821.54

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Solution

The fourth proportional to 11,586.58, 17,379.62 and 2,821.54 is: 4,232.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.58 : 17,379.62 = 2,821.54 : x
  2. Step 2: Convert to fraction form
    11,586.58/17,379.62 = 2,821.54/x
  3. Step 3: Cross multiply
    11,586.58x = 17,379.62 × 2,821.54
  4. Step 4: Simplify right side
    11,586.58x = 49,037,293.01
  5. Step 5: Solve for x
    x = 49,037,293.01/11,586.58
  6. Step 6: Final answer
    x = 4,232.25

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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.