Home / 10,319.22-15,479.94-3,296.79

Finding the Fourth Proportional to 10,319.22, 15,479.94 and 3,296.79

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Solution

The fourth proportional to 10,319.22, 15,479.94 and 3,296.79 is: 4,945.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.22 : 15,479.94 = 3,296.79 : x
  2. Step 2: Convert to fraction form
    10,319.22/15,479.94 = 3,296.79/x
  3. Step 3: Cross multiply
    10,319.22x = 15,479.94 × 3,296.79
  4. Step 4: Simplify right side
    10,319.22x = 51,034,111.39
  5. Step 5: Solve for x
    x = 51,034,111.39/10,319.22
  6. Step 6: Final answer
    x = 4,945.54

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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.