Home / 20,147.43-27,802.24-11,194.63

Finding the Fourth Proportional to 20,147.43, 27,802.24 and 11,194.63

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Solution

The fourth proportional to 20,147.43, 27,802.24 and 11,194.63 is: 15,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147.43 : 27,802.24 = 11,194.63 : x
  2. Step 2: Convert to fraction form
    20,147.43/27,802.24 = 11,194.63/x
  3. Step 3: Cross multiply
    20,147.43x = 27,802.24 × 11,194.63
  4. Step 4: Simplify right side
    20,147.43x = 311,235,770.67
  5. Step 5: Solve for x
    x = 311,235,770.67/20,147.43
  6. Step 6: Final answer
    x = 15,447.91

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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.