Home / 12,467.54-18,704.36-4,147.54

Finding the Fourth Proportional to 12,467.54, 18,704.36 and 4,147.54

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Solution

The fourth proportional to 12,467.54, 18,704.36 and 4,147.54 is: 6,222.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.54 : 18,704.36 = 4,147.54 : x
  2. Step 2: Convert to fraction form
    12,467.54/18,704.36 = 4,147.54/x
  3. Step 3: Cross multiply
    12,467.54x = 18,704.36 × 4,147.54
  4. Step 4: Simplify right side
    12,467.54x = 77,577,044.88
  5. Step 5: Solve for x
    x = 77,577,044.88/12,467.54
  6. Step 6: Final answer
    x = 6,222.32

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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.