Home / 12,963.08-19,447.72-4,198

Finding the Fourth Proportional to 12,963.08, 19,447.72 and 4,198

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Solution

The fourth proportional to 12,963.08, 19,447.72 and 4,198 is: 6,298.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963.08 : 19,447.72 = 4,198 : x
  2. Step 2: Convert to fraction form
    12,963.08/19,447.72 = 4,198/x
  3. Step 3: Cross multiply
    12,963.08x = 19,447.72 × 4,198
  4. Step 4: Simplify right side
    12,963.08x = 81,641,528.56
  5. Step 5: Solve for x
    x = 81,641,528.56/12,963.08
  6. Step 6: Final answer
    x = 6,298.00

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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.