Home / 13,544.11-20,316.71-4,183.30

Finding the Fourth Proportional to 13,544.11, 20,316.71 and 4,183.30

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Solution

The fourth proportional to 13,544.11, 20,316.71 and 4,183.30 is: 6,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.11 : 20,316.71 = 4,183.30 : x
  2. Step 2: Convert to fraction form
    13,544.11/20,316.71 = 4,183.30/x
  3. Step 3: Cross multiply
    13,544.11x = 20,316.71 × 4,183.30
  4. Step 4: Simplify right side
    13,544.11x = 84,990,791.36
  5. Step 5: Solve for x
    x = 84,990,791.36/13,544.11
  6. Step 6: Final answer
    x = 6,275.11

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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.