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Finding the Fourth Proportional to 9,469.78, 14,201.10 and 3,143.48

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Solution

The fourth proportional to 9,469.78, 14,201.10 and 3,143.48 is: 4,714.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,469.78 : 14,201.10 = 3,143.48 : x
  2. Step 2: Convert to fraction form
    9,469.78/14,201.10 = 3,143.48/x
  3. Step 3: Cross multiply
    9,469.78x = 14,201.10 × 3,143.48
  4. Step 4: Simplify right side
    9,469.78x = 44,640,802.82
  5. Step 5: Solve for x
    x = 44,640,802.82/9,469.78
  6. Step 6: Final answer
    x = 4,714.03

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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.