Home / 10,231.64-15,349.70-3,306.20

Finding the Fourth Proportional to 10,231.64, 15,349.70 and 3,306.20

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Solution

The fourth proportional to 10,231.64, 15,349.70 and 3,306.20 is: 4,960.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.64 : 15,349.70 = 3,306.20 : x
  2. Step 2: Convert to fraction form
    10,231.64/15,349.70 = 3,306.20/x
  3. Step 3: Cross multiply
    10,231.64x = 15,349.70 × 3,306.20
  4. Step 4: Simplify right side
    10,231.64x = 50,749,178.14
  5. Step 5: Solve for x
    x = 50,749,178.14/10,231.64
  6. Step 6: Final answer
    x = 4,960.02

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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.