Home / 10,202.09-15,311.34-5,273.18

Finding the Fourth Proportional to 10,202.09, 15,311.34 and 5,273.18

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Solution

The fourth proportional to 10,202.09, 15,311.34 and 5,273.18 is: 7,914.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202.09 : 15,311.34 = 5,273.18 : x
  2. Step 2: Convert to fraction form
    10,202.09/15,311.34 = 5,273.18/x
  3. Step 3: Cross multiply
    10,202.09x = 15,311.34 × 5,273.18
  4. Step 4: Simplify right side
    10,202.09x = 80,739,375.30
  5. Step 5: Solve for x
    x = 80,739,375.30/10,202.09
  6. Step 6: Final answer
    x = 7,914.00

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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.