Home / 11,181.27-16,756.77-4,251.99

Finding the Fourth Proportional to 11,181.27, 16,756.77 and 4,251.99

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Solution

The fourth proportional to 11,181.27, 16,756.77 and 4,251.99 is: 6,372.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.27 : 16,756.77 = 4,251.99 : x
  2. Step 2: Convert to fraction form
    11,181.27/16,756.77 = 4,251.99/x
  3. Step 3: Cross multiply
    11,181.27x = 16,756.77 × 4,251.99
  4. Step 4: Simplify right side
    11,181.27x = 71,249,618.47
  5. Step 5: Solve for x
    x = 71,249,618.47/11,181.27
  6. Step 6: Final answer
    x = 6,372.23

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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.