Home / 10,214.68-15,318.78-3,287.56

Finding the Fourth Proportional to 10,214.68, 15,318.78 and 3,287.56

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Solution

The fourth proportional to 10,214.68, 15,318.78 and 3,287.56 is: 4,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.68 : 15,318.78 = 3,287.56 : x
  2. Step 2: Convert to fraction form
    10,214.68/15,318.78 = 3,287.56/x
  3. Step 3: Cross multiply
    10,214.68x = 15,318.78 × 3,287.56
  4. Step 4: Simplify right side
    10,214.68x = 50,361,408.38
  5. Step 5: Solve for x
    x = 50,361,408.38/10,214.68
  6. Step 6: Final answer
    x = 4,930.30

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1.5x scale

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.