Home / 11,476.20-17,212.40-10,729.02

Finding the Fourth Proportional to 11,476.20, 17,212.40 and 10,729.02

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Solution

The fourth proportional to 11,476.20, 17,212.40 and 10,729.02 is: 16,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,476.20 : 17,212.40 = 10,729.02 : x
  2. Step 2: Convert to fraction form
    11,476.20/17,212.40 = 10,729.02/x
  3. Step 3: Cross multiply
    11,476.20x = 17,212.40 × 10,729.02
  4. Step 4: Simplify right side
    11,476.20x = 184,672,183.85
  5. Step 5: Solve for x
    x = 184,672,183.85/11,476.20
  6. Step 6: Final answer
    x = 16,091.75

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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.