Home / 11,931.09-17,896.32-3,166.08

Finding the Fourth Proportional to 11,931.09, 17,896.32 and 3,166.08

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Solution

The fourth proportional to 11,931.09, 17,896.32 and 3,166.08 is: 4,749.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.09 : 17,896.32 = 3,166.08 : x
  2. Step 2: Convert to fraction form
    11,931.09/17,896.32 = 3,166.08/x
  3. Step 3: Cross multiply
    11,931.09x = 17,896.32 × 3,166.08
  4. Step 4: Simplify right side
    11,931.09x = 56,661,180.83
  5. Step 5: Solve for x
    x = 56,661,180.83/11,931.09
  6. Step 6: Final answer
    x = 4,749.04

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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.