Home / 10,828.54-16,244.84-3,431.02

Finding the Fourth Proportional to 10,828.54, 16,244.84 and 3,431.02

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Solution

The fourth proportional to 10,828.54, 16,244.84 and 3,431.02 is: 5,147.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.54 : 16,244.84 = 3,431.02 : x
  2. Step 2: Convert to fraction form
    10,828.54/16,244.84 = 3,431.02/x
  3. Step 3: Cross multiply
    10,828.54x = 16,244.84 × 3,431.02
  4. Step 4: Simplify right side
    10,828.54x = 55,736,272.56
  5. Step 5: Solve for x
    x = 55,736,272.56/10,828.54
  6. Step 6: Final answer
    x = 5,147.16

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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.