Home / 16,855.10-25,287.68-5,009.27

Finding the Fourth Proportional to 16,855.10, 25,287.68 and 5,009.27

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Solution

The fourth proportional to 16,855.10, 25,287.68 and 5,009.27 is: 7,515.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.10 : 25,287.68 = 5,009.27 : x
  2. Step 2: Convert to fraction form
    16,855.10/25,287.68 = 5,009.27/x
  3. Step 3: Cross multiply
    16,855.10x = 25,287.68 × 5,009.27
  4. Step 4: Simplify right side
    16,855.10x = 126,672,674.70
  5. Step 5: Solve for x
    x = 126,672,674.70/16,855.10
  6. Step 6: Final answer
    x = 7,515.39

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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.