Home / 20,204.13-27,878.46-11,249.58

Finding the Fourth Proportional to 20,204.13, 27,878.46 and 11,249.58

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Solution

The fourth proportional to 20,204.13, 27,878.46 and 11,249.58 is: 15,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.13 : 27,878.46 = 11,249.58 : x
  2. Step 2: Convert to fraction form
    20,204.13/27,878.46 = 11,249.58/x
  3. Step 3: Cross multiply
    20,204.13x = 27,878.46 × 11,249.58
  4. Step 4: Simplify right side
    20,204.13x = 313,620,966.05
  5. Step 5: Solve for x
    x = 313,620,966.05/20,204.13
  6. Step 6: Final answer
    x = 15,522.62

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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.