Home / 18,721.22-25,832.23-11,063.43

Finding the Fourth Proportional to 18,721.22, 25,832.23 and 11,063.43

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Solution

The fourth proportional to 18,721.22, 25,832.23 and 11,063.43 is: 15,265.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,721.22 : 25,832.23 = 11,063.43 : x
  2. Step 2: Convert to fraction form
    18,721.22/25,832.23 = 11,063.43/x
  3. Step 3: Cross multiply
    18,721.22x = 25,832.23 × 11,063.43
  4. Step 4: Simplify right side
    18,721.22x = 285,793,068.35
  5. Step 5: Solve for x
    x = 285,793,068.35/18,721.22
  6. Step 6: Final answer
    x = 15,265.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.