Home / 11,751.29-17,627.28-3,430.44

Finding the Fourth Proportional to 11,751.29, 17,627.28 and 3,430.44

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Solution

The fourth proportional to 11,751.29, 17,627.28 and 3,430.44 is: 5,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.29 : 17,627.28 = 3,430.44 : x
  2. Step 2: Convert to fraction form
    11,751.29/17,627.28 = 3,430.44/x
  3. Step 3: Cross multiply
    11,751.29x = 17,627.28 × 3,430.44
  4. Step 4: Simplify right side
    11,751.29x = 60,469,387.24
  5. Step 5: Solve for x
    x = 60,469,387.24/11,751.29
  6. Step 6: Final answer
    x = 5,145.76

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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.