Home / 18,124.56-27,183.60-11,531.16

Finding the Fourth Proportional to 18,124.56, 27,183.60 and 11,531.16

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Solution

The fourth proportional to 18,124.56, 27,183.60 and 11,531.16 is: 17,294.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.56 : 27,183.60 = 11,531.16 : x
  2. Step 2: Convert to fraction form
    18,124.56/27,183.60 = 11,531.16/x
  3. Step 3: Cross multiply
    18,124.56x = 27,183.60 × 11,531.16
  4. Step 4: Simplify right side
    18,124.56x = 313,458,440.98
  5. Step 5: Solve for x
    x = 313,458,440.98/18,124.56
  6. Step 6: Final answer
    x = 17,294.68

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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.