Home / 22,669.94-31,286.40-12,599.12

Finding the Fourth Proportional to 22,669.94, 31,286.40 and 12,599.12

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Solution

The fourth proportional to 22,669.94, 31,286.40 and 12,599.12 is: 17,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,669.94 : 31,286.40 = 12,599.12 : x
  2. Step 2: Convert to fraction form
    22,669.94/31,286.40 = 12,599.12/x
  3. Step 3: Cross multiply
    22,669.94x = 31,286.40 × 12,599.12
  4. Step 4: Simplify right side
    22,669.94x = 394,181,107.97
  5. Step 5: Solve for x
    x = 394,181,107.97/22,669.94
  6. Step 6: Final answer
    x = 17,387.83

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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.