Home / 12,836.16-19,252.78-3,475.64

Finding the Fourth Proportional to 12,836.16, 19,252.78 and 3,475.64

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Solution

The fourth proportional to 12,836.16, 19,252.78 and 3,475.64 is: 5,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.16 : 19,252.78 = 3,475.64 : x
  2. Step 2: Convert to fraction form
    12,836.16/19,252.78 = 3,475.64/x
  3. Step 3: Cross multiply
    12,836.16x = 19,252.78 × 3,475.64
  4. Step 4: Simplify right side
    12,836.16x = 66,915,771.72
  5. Step 5: Solve for x
    x = 66,915,771.72/12,836.16
  6. Step 6: Final answer
    x = 5,213.07

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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.