Home / 10,998.43-16,497.40-2,678.49

Finding the Fourth Proportional to 10,998.43, 16,497.40 and 2,678.49

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Solution

The fourth proportional to 10,998.43, 16,497.40 and 2,678.49 is: 4,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.43 : 16,497.40 = 2,678.49 : x
  2. Step 2: Convert to fraction form
    10,998.43/16,497.40 = 2,678.49/x
  3. Step 3: Cross multiply
    10,998.43x = 16,497.40 × 2,678.49
  4. Step 4: Simplify right side
    10,998.43x = 44,188,120.93
  5. Step 5: Solve for x
    x = 44,188,120.93/10,998.43
  6. Step 6: Final answer
    x = 4,017.68

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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.