Home / 11,751.08-17,629.68-3,430.92

Finding the Fourth Proportional to 11,751.08, 17,629.68 and 3,430.92

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Solution

The fourth proportional to 11,751.08, 17,629.68 and 3,430.92 is: 5,147.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.08 : 17,629.68 = 3,430.92 : x
  2. Step 2: Convert to fraction form
    11,751.08/17,629.68 = 3,430.92/x
  3. Step 3: Cross multiply
    11,751.08x = 17,629.68 × 3,430.92
  4. Step 4: Simplify right side
    11,751.08x = 60,486,021.71
  5. Step 5: Solve for x
    x = 60,486,021.71/11,751.08
  6. Step 6: Final answer
    x = 5,147.27

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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.