Home / 10,481.59-15,723.04-3,905.55

Finding the Fourth Proportional to 10,481.59, 15,723.04 and 3,905.55

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Solution

The fourth proportional to 10,481.59, 15,723.04 and 3,905.55 is: 5,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.59 : 15,723.04 = 3,905.55 : x
  2. Step 2: Convert to fraction form
    10,481.59/15,723.04 = 3,905.55/x
  3. Step 3: Cross multiply
    10,481.59x = 15,723.04 × 3,905.55
  4. Step 4: Simplify right side
    10,481.59x = 61,407,118.87
  5. Step 5: Solve for x
    x = 61,407,118.87/10,481.59
  6. Step 6: Final answer
    x = 5,858.57

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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.