Home / 16,678.56-25,018.92-5,584.80

Finding the Fourth Proportional to 16,678.56, 25,018.92 and 5,584.80

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Solution

The fourth proportional to 16,678.56, 25,018.92 and 5,584.80 is: 8,377.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678.56 : 25,018.92 = 5,584.80 : x
  2. Step 2: Convert to fraction form
    16,678.56/25,018.92 = 5,584.80/x
  3. Step 3: Cross multiply
    16,678.56x = 25,018.92 × 5,584.80
  4. Step 4: Simplify right side
    16,678.56x = 139,725,664.42
  5. Step 5: Solve for x
    x = 139,725,664.42/16,678.56
  6. Step 6: Final answer
    x = 8,377.56

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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.