Home / 11,664.68-17,487.09-5,085.96

Finding the Fourth Proportional to 11,664.68, 17,487.09 and 5,085.96

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Solution

The fourth proportional to 11,664.68, 17,487.09 and 5,085.96 is: 7,624.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664.68 : 17,487.09 = 5,085.96 : x
  2. Step 2: Convert to fraction form
    11,664.68/17,487.09 = 5,085.96/x
  3. Step 3: Cross multiply
    11,664.68x = 17,487.09 × 5,085.96
  4. Step 4: Simplify right side
    11,664.68x = 88,938,574.68
  5. Step 5: Solve for x
    x = 88,938,574.68/11,664.68
  6. Step 6: Final answer
    x = 7,624.61

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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.