Home / 17,721.14-26,529.86-10,748.66

Finding the Fourth Proportional to 17,721.14, 26,529.86 and 10,748.66

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Solution

The fourth proportional to 17,721.14, 26,529.86 and 10,748.66 is: 16,091.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.14 : 26,529.86 = 10,748.66 : x
  2. Step 2: Convert to fraction form
    17,721.14/26,529.86 = 10,748.66/x
  3. Step 3: Cross multiply
    17,721.14x = 26,529.86 × 10,748.66
  4. Step 4: Simplify right side
    17,721.14x = 285,160,339.21
  5. Step 5: Solve for x
    x = 285,160,339.21/17,721.14
  6. Step 6: Final answer
    x = 16,091.54

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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.