Home / 12,836.94-17,694.75-9,645.66

Finding the Fourth Proportional to 12,836.94, 17,694.75 and 9,645.66

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Solution

The fourth proportional to 12,836.94, 17,694.75 and 9,645.66 is: 13,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.94 : 17,694.75 = 9,645.66 : x
  2. Step 2: Convert to fraction form
    12,836.94/17,694.75 = 9,645.66/x
  3. Step 3: Cross multiply
    12,836.94x = 17,694.75 × 9,645.66
  4. Step 4: Simplify right side
    12,836.94x = 170,677,542.29
  5. Step 5: Solve for x
    x = 170,677,542.29/12,836.94
  6. Step 6: Final answer
    x = 13,295.81

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1.5x scale

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.