Home / 11,140.62-16,708.77-4,119.54

Finding the Fourth Proportional to 11,140.62, 16,708.77 and 4,119.54

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Solution

The fourth proportional to 11,140.62, 16,708.77 and 4,119.54 is: 6,178.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.62 : 16,708.77 = 4,119.54 : x
  2. Step 2: Convert to fraction form
    11,140.62/16,708.77 = 4,119.54/x
  3. Step 3: Cross multiply
    11,140.62x = 16,708.77 × 4,119.54
  4. Step 4: Simplify right side
    11,140.62x = 68,832,446.37
  5. Step 5: Solve for x
    x = 68,832,446.37/11,140.62
  6. Step 6: Final answer
    x = 6,178.51

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1.5x scale

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.