Home / 10,388.60-15,584.97-3,723.31

Finding the Fourth Proportional to 10,388.60, 15,584.97 and 3,723.31

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Solution

The fourth proportional to 10,388.60, 15,584.97 and 3,723.31 is: 5,585.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.60 : 15,584.97 = 3,723.31 : x
  2. Step 2: Convert to fraction form
    10,388.60/15,584.97 = 3,723.31/x
  3. Step 3: Cross multiply
    10,388.60x = 15,584.97 × 3,723.31
  4. Step 4: Simplify right side
    10,388.60x = 58,027,674.65
  5. Step 5: Solve for x
    x = 58,027,674.65/10,388.60
  6. Step 6: Final answer
    x = 5,585.71

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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.