Home / 17,984.98-26,981.34-6,891.66

Finding the Fourth Proportional to 17,984.98, 26,981.34 and 6,891.66

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Solution

The fourth proportional to 17,984.98, 26,981.34 and 6,891.66 is: 10,338.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,984.98 : 26,981.34 = 6,891.66 : x
  2. Step 2: Convert to fraction form
    17,984.98/26,981.34 = 6,891.66/x
  3. Step 3: Cross multiply
    17,984.98x = 26,981.34 × 6,891.66
  4. Step 4: Simplify right side
    17,984.98x = 185,946,221.62
  5. Step 5: Solve for x
    x = 185,946,221.62/17,984.98
  6. Step 6: Final answer
    x = 10,338.97

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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.