Home / 10,331.30-15,497.97-3,309.54

Finding the Fourth Proportional to 10,331.30, 15,497.97 and 3,309.54

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Solution

The fourth proportional to 10,331.30, 15,497.97 and 3,309.54 is: 4,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.30 : 15,497.97 = 3,309.54 : x
  2. Step 2: Convert to fraction form
    10,331.30/15,497.97 = 3,309.54/x
  3. Step 3: Cross multiply
    10,331.30x = 15,497.97 × 3,309.54
  4. Step 4: Simplify right side
    10,331.30x = 51,291,151.63
  5. Step 5: Solve for x
    x = 51,291,151.63/10,331.30
  6. Step 6: Final answer
    x = 4,964.64

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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.