Home / 9,183.96-13,775.72-2,943.72

Finding the Fourth Proportional to 9,183.96, 13,775.72 and 2,943.72

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Solution

The fourth proportional to 9,183.96, 13,775.72 and 2,943.72 is: 4,415.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.96 : 13,775.72 = 2,943.72 : x
  2. Step 2: Convert to fraction form
    9,183.96/13,775.72 = 2,943.72/x
  3. Step 3: Cross multiply
    9,183.96x = 13,775.72 × 2,943.72
  4. Step 4: Simplify right side
    9,183.96x = 40,551,847.76
  5. Step 5: Solve for x
    x = 40,551,847.76/9,183.96
  6. Step 6: Final answer
    x = 4,415.51

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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.