Home / 12,736.53-19,106.09-4,414.64

Finding the Fourth Proportional to 12,736.53, 19,106.09 and 4,414.64

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Solution

The fourth proportional to 12,736.53, 19,106.09 and 4,414.64 is: 6,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.53 : 19,106.09 = 4,414.64 : x
  2. Step 2: Convert to fraction form
    12,736.53/19,106.09 = 4,414.64/x
  3. Step 3: Cross multiply
    12,736.53x = 19,106.09 × 4,414.64
  4. Step 4: Simplify right side
    12,736.53x = 84,346,391.55
  5. Step 5: Solve for x
    x = 84,346,391.55/12,736.53
  6. Step 6: Final answer
    x = 6,622.40

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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.