Home / 11,636.20-17,375.48-9,143.04

Finding the Fourth Proportional to 11,636.20, 17,375.48 and 9,143.04

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Solution

The fourth proportional to 11,636.20, 17,375.48 and 9,143.04 is: 13,652.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,636.20 : 17,375.48 = 9,143.04 : x
  2. Step 2: Convert to fraction form
    11,636.20/17,375.48 = 9,143.04/x
  3. Step 3: Cross multiply
    11,636.20x = 17,375.48 × 9,143.04
  4. Step 4: Simplify right side
    11,636.20x = 158,864,708.66
  5. Step 5: Solve for x
    x = 158,864,708.66/11,636.20
  6. Step 6: Final answer
    x = 13,652.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.