Home / 12,311.53-18,464.59-3,544.54

Finding the Fourth Proportional to 12,311.53, 18,464.59 and 3,544.54

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Solution

The fourth proportional to 12,311.53, 18,464.59 and 3,544.54 is: 5,316.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311.53 : 18,464.59 = 3,544.54 : x
  2. Step 2: Convert to fraction form
    12,311.53/18,464.59 = 3,544.54/x
  3. Step 3: Cross multiply
    12,311.53x = 18,464.59 × 3,544.54
  4. Step 4: Simplify right side
    12,311.53x = 65,448,436.11
  5. Step 5: Solve for x
    x = 65,448,436.11/12,311.53
  6. Step 6: Final answer
    x = 5,316.03

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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.