Home / 17,738.91-26,611.97-6,645.39

Finding the Fourth Proportional to 17,738.91, 26,611.97 and 6,645.39

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Solution

The fourth proportional to 17,738.91, 26,611.97 and 6,645.39 is: 9,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,738.91 : 26,611.97 = 6,645.39 : x
  2. Step 2: Convert to fraction form
    17,738.91/26,611.97 = 6,645.39/x
  3. Step 3: Cross multiply
    17,738.91x = 26,611.97 × 6,645.39
  4. Step 4: Simplify right side
    17,738.91x = 176,846,886.09
  5. Step 5: Solve for x
    x = 176,846,886.09/17,738.91
  6. Step 6: Final answer
    x = 9,969.43

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1.5x scale

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.