Home / 10,635.92-15,954.48-3,240.64

Finding the Fourth Proportional to 10,635.92, 15,954.48 and 3,240.64

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Solution

The fourth proportional to 10,635.92, 15,954.48 and 3,240.64 is: 4,861.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,635.92 : 15,954.48 = 3,240.64 : x
  2. Step 2: Convert to fraction form
    10,635.92/15,954.48 = 3,240.64/x
  3. Step 3: Cross multiply
    10,635.92x = 15,954.48 × 3,240.64
  4. Step 4: Simplify right side
    10,635.92x = 51,702,726.07
  5. Step 5: Solve for x
    x = 51,702,726.07/10,635.92
  6. Step 6: Final answer
    x = 4,861.14

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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.