Home / 15,286.80-22,936.79-8,271.75

Finding the Fourth Proportional to 15,286.80, 22,936.79 and 8,271.75

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Solution

The fourth proportional to 15,286.80, 22,936.79 and 8,271.75 is: 12,411.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,286.80 : 22,936.79 = 8,271.75 : x
  2. Step 2: Convert to fraction form
    15,286.80/22,936.79 = 8,271.75/x
  3. Step 3: Cross multiply
    15,286.80x = 22,936.79 × 8,271.75
  4. Step 4: Simplify right side
    15,286.80x = 189,727,392.68
  5. Step 5: Solve for x
    x = 189,727,392.68/15,286.80
  6. Step 6: Final answer
    x = 12,411.19

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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.