Home / 20,173.41-27,837.17-11,219.48

Finding the Fourth Proportional to 20,173.41, 27,837.17 and 11,219.48

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Solution

The fourth proportional to 20,173.41, 27,837.17 and 11,219.48 is: 15,481.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.41 : 27,837.17 = 11,219.48 : x
  2. Step 2: Convert to fraction form
    20,173.41/27,837.17 = 11,219.48/x
  3. Step 3: Cross multiply
    20,173.41x = 27,837.17 × 11,219.48
  4. Step 4: Simplify right side
    20,173.41x = 312,318,572.07
  5. Step 5: Solve for x
    x = 312,318,572.07/20,173.41
  6. Step 6: Final answer
    x = 15,481.69

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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.