Home / 11,154.66-16,720.23-3,756.54

Finding the Fourth Proportional to 11,154.66, 16,720.23 and 3,756.54

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Solution

The fourth proportional to 11,154.66, 16,720.23 and 3,756.54 is: 5,630.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.66 : 16,720.23 = 3,756.54 : x
  2. Step 2: Convert to fraction form
    11,154.66/16,720.23 = 3,756.54/x
  3. Step 3: Cross multiply
    11,154.66x = 16,720.23 × 3,756.54
  4. Step 4: Simplify right side
    11,154.66x = 62,810,212.80
  5. Step 5: Solve for x
    x = 62,810,212.80/11,154.66
  6. Step 6: Final answer
    x = 5,630.85

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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.