Home / 16,858.62-25,291.77-5,171.10

Finding the Fourth Proportional to 16,858.62, 25,291.77 and 5,171.10

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Solution

The fourth proportional to 16,858.62, 25,291.77 and 5,171.10 is: 7,757.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.62 : 25,291.77 = 5,171.10 : x
  2. Step 2: Convert to fraction form
    16,858.62/25,291.77 = 5,171.10/x
  3. Step 3: Cross multiply
    16,858.62x = 25,291.77 × 5,171.10
  4. Step 4: Simplify right side
    16,858.62x = 130,786,271.85
  5. Step 5: Solve for x
    x = 130,786,271.85/16,858.62
  6. Step 6: Final answer
    x = 7,757.83

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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.