Home / 10,481.60-15,723.30-3,459.50

Finding the Fourth Proportional to 10,481.60, 15,723.30 and 3,459.50

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Solution

The fourth proportional to 10,481.60, 15,723.30 and 3,459.50 is: 5,189.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.60 : 15,723.30 = 3,459.50 : x
  2. Step 2: Convert to fraction form
    10,481.60/15,723.30 = 3,459.50/x
  3. Step 3: Cross multiply
    10,481.60x = 15,723.30 × 3,459.50
  4. Step 4: Simplify right side
    10,481.60x = 54,394,756.35
  5. Step 5: Solve for x
    x = 54,394,756.35/10,481.60
  6. Step 6: Final answer
    x = 5,189.55

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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.