Home / 10,650.60-15,983.46-4,812.12

Finding the Fourth Proportional to 10,650.60, 15,983.46 and 4,812.12

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Solution

The fourth proportional to 10,650.60, 15,983.46 and 4,812.12 is: 7,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,650.60 : 15,983.46 = 4,812.12 : x
  2. Step 2: Convert to fraction form
    10,650.60/15,983.46 = 4,812.12/x
  3. Step 3: Cross multiply
    10,650.60x = 15,983.46 × 4,812.12
  4. Step 4: Simplify right side
    10,650.60x = 76,914,327.54
  5. Step 5: Solve for x
    x = 76,914,327.54/10,650.60
  6. Step 6: Final answer
    x = 7,221.60

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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.