Home / 10,286.46-15,426.51-3,711.80

Finding the Fourth Proportional to 10,286.46, 15,426.51 and 3,711.80

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Solution

The fourth proportional to 10,286.46, 15,426.51 and 3,711.80 is: 5,566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.46 : 15,426.51 = 3,711.80 : x
  2. Step 2: Convert to fraction form
    10,286.46/15,426.51 = 3,711.80/x
  3. Step 3: Cross multiply
    10,286.46x = 15,426.51 × 3,711.80
  4. Step 4: Simplify right side
    10,286.46x = 57,260,042.69
  5. Step 5: Solve for x
    x = 57,260,042.69/10,286.46
  6. Step 6: Final answer
    x = 5,566.55

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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.