Home / 12,833.09-17,708.38-7,166.94

Finding the Fourth Proportional to 12,833.09, 17,708.38 and 7,166.94

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Solution

The fourth proportional to 12,833.09, 17,708.38 and 7,166.94 is: 9,889.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,833.09 : 17,708.38 = 7,166.94 : x
  2. Step 2: Convert to fraction form
    12,833.09/17,708.38 = 7,166.94/x
  3. Step 3: Cross multiply
    12,833.09x = 17,708.38 × 7,166.94
  4. Step 4: Simplify right side
    12,833.09x = 126,914,896.96
  5. Step 5: Solve for x
    x = 126,914,896.96/12,833.09
  6. Step 6: Final answer
    x = 9,889.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.