Home / 12,371.52-17,072.92-6,782.48

Finding the Fourth Proportional to 12,371.52, 17,072.92 and 6,782.48

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Solution

The fourth proportional to 12,371.52, 17,072.92 and 6,782.48 is: 9,359.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.52 : 17,072.92 = 6,782.48 : x
  2. Step 2: Convert to fraction form
    12,371.52/17,072.92 = 6,782.48/x
  3. Step 3: Cross multiply
    12,371.52x = 17,072.92 × 6,782.48
  4. Step 4: Simplify right side
    12,371.52x = 115,796,738.44
  5. Step 5: Solve for x
    x = 115,796,738.44/12,371.52
  6. Step 6: Final answer
    x = 9,359.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.