Home / 11,279.92-16,922.64-3,884.48

Finding the Fourth Proportional to 11,279.92, 16,922.64 and 3,884.48

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Solution

The fourth proportional to 11,279.92, 16,922.64 and 3,884.48 is: 5,827.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.92 : 16,922.64 = 3,884.48 : x
  2. Step 2: Convert to fraction form
    11,279.92/16,922.64 = 3,884.48/x
  3. Step 3: Cross multiply
    11,279.92x = 16,922.64 × 3,884.48
  4. Step 4: Simplify right side
    11,279.92x = 65,735,656.63
  5. Step 5: Solve for x
    x = 65,735,656.63/11,279.92
  6. Step 6: Final answer
    x = 5,827.67

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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.