Home / 11,968.43-18,042.26-11,165.61

Finding the Fourth Proportional to 11,968.43, 18,042.26 and 11,165.61

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Solution

The fourth proportional to 11,968.43, 18,042.26 and 11,165.61 is: 16,832.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.43 : 18,042.26 = 11,165.61 : x
  2. Step 2: Convert to fraction form
    11,968.43/18,042.26 = 11,165.61/x
  3. Step 3: Cross multiply
    11,968.43x = 18,042.26 × 11,165.61
  4. Step 4: Simplify right side
    11,968.43x = 201,452,913.32
  5. Step 5: Solve for x
    x = 201,452,913.32/11,968.43
  6. Step 6: Final answer
    x = 16,832.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.