Home / 13,183.74-19,775.57-5,392.55

Finding the Fourth Proportional to 13,183.74, 19,775.57 and 5,392.55

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Solution

The fourth proportional to 13,183.74, 19,775.57 and 5,392.55 is: 8,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.74 : 19,775.57 = 5,392.55 : x
  2. Step 2: Convert to fraction form
    13,183.74/19,775.57 = 5,392.55/x
  3. Step 3: Cross multiply
    13,183.74x = 19,775.57 × 5,392.55
  4. Step 4: Simplify right side
    13,183.74x = 106,640,732.03
  5. Step 5: Solve for x
    x = 106,640,732.03/13,183.74
  6. Step 6: Final answer
    x = 8,088.81

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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.