Home / 13,543.72-20,314.14-4,183.24

Finding the Fourth Proportional to 13,543.72, 20,314.14 and 4,183.24

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Solution

The fourth proportional to 13,543.72, 20,314.14 and 4,183.24 is: 6,274.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543.72 : 20,314.14 = 4,183.24 : x
  2. Step 2: Convert to fraction form
    13,543.72/20,314.14 = 4,183.24/x
  3. Step 3: Cross multiply
    13,543.72x = 20,314.14 × 4,183.24
  4. Step 4: Simplify right side
    13,543.72x = 84,978,923.01
  5. Step 5: Solve for x
    x = 84,978,923.01/13,543.72
  6. Step 6: Final answer
    x = 6,274.42

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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.