Home / 11,148.82-16,721.86-6,471.38

Finding the Fourth Proportional to 11,148.82, 16,721.86 and 6,471.38

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Solution

The fourth proportional to 11,148.82, 16,721.86 and 6,471.38 is: 9,706.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.82 : 16,721.86 = 6,471.38 : x
  2. Step 2: Convert to fraction form
    11,148.82/16,721.86 = 6,471.38/x
  3. Step 3: Cross multiply
    11,148.82x = 16,721.86 × 6,471.38
  4. Step 4: Simplify right side
    11,148.82x = 108,213,510.37
  5. Step 5: Solve for x
    x = 108,213,510.37/11,148.82
  6. Step 6: Final answer
    x = 9,706.27

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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.