Home / 13,183.07-18,192.66-7,214.79

Finding the Fourth Proportional to 13,183.07, 18,192.66 and 7,214.79

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Solution

The fourth proportional to 13,183.07, 18,192.66 and 7,214.79 is: 9,956.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.07 : 18,192.66 = 7,214.79 : x
  2. Step 2: Convert to fraction form
    13,183.07/18,192.66 = 7,214.79/x
  3. Step 3: Cross multiply
    13,183.07x = 18,192.66 × 7,214.79
  4. Step 4: Simplify right side
    13,183.07x = 131,256,180.27
  5. Step 5: Solve for x
    x = 131,256,180.27/13,183.07
  6. Step 6: Final answer
    x = 9,956.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.