Home / 10,333.26-15,501.03-3,311.61

Finding the Fourth Proportional to 10,333.26, 15,501.03 and 3,311.61

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Solution

The fourth proportional to 10,333.26, 15,501.03 and 3,311.61 is: 4,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,333.26 : 15,501.03 = 3,311.61 : x
  2. Step 2: Convert to fraction form
    10,333.26/15,501.03 = 3,311.61/x
  3. Step 3: Cross multiply
    10,333.26x = 15,501.03 × 3,311.61
  4. Step 4: Simplify right side
    10,333.26x = 51,333,365.96
  5. Step 5: Solve for x
    x = 51,333,365.96/10,333.26
  6. Step 6: Final answer
    x = 4,967.78

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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.