Home / 11,119.26-16,681.68-3,723.78

Finding the Fourth Proportional to 11,119.26, 16,681.68 and 3,723.78

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Solution

The fourth proportional to 11,119.26, 16,681.68 and 3,723.78 is: 5,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.26 : 16,681.68 = 3,723.78 : x
  2. Step 2: Convert to fraction form
    11,119.26/16,681.68 = 3,723.78/x
  3. Step 3: Cross multiply
    11,119.26x = 16,681.68 × 3,723.78
  4. Step 4: Simplify right side
    11,119.26x = 62,118,906.35
  5. Step 5: Solve for x
    x = 62,118,906.35/11,119.26
  6. Step 6: Final answer
    x = 5,586.60

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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.