Home / 10,213.44-15,309.24-5,281.80

Finding the Fourth Proportional to 10,213.44, 15,309.24 and 5,281.80

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Solution

The fourth proportional to 10,213.44, 15,309.24 and 5,281.80 is: 7,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.44 : 15,309.24 = 5,281.80 : x
  2. Step 2: Convert to fraction form
    10,213.44/15,309.24 = 5,281.80/x
  3. Step 3: Cross multiply
    10,213.44x = 15,309.24 × 5,281.80
  4. Step 4: Simplify right side
    10,213.44x = 80,860,343.83
  5. Step 5: Solve for x
    x = 80,860,343.83/10,213.44
  6. Step 6: Final answer
    x = 7,917.05

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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.