Home / 20,249.43-30,374.42-7,102.19

Finding the Fourth Proportional to 20,249.43, 30,374.42 and 7,102.19

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Solution

The fourth proportional to 20,249.43, 30,374.42 and 7,102.19 is: 10,653.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,249.43 : 30,374.42 = 7,102.19 : x
  2. Step 2: Convert to fraction form
    20,249.43/30,374.42 = 7,102.19/x
  3. Step 3: Cross multiply
    20,249.43x = 30,374.42 × 7,102.19
  4. Step 4: Simplify right side
    20,249.43x = 215,724,714.60
  5. Step 5: Solve for x
    x = 215,724,714.60/20,249.43
  6. Step 6: Final answer
    x = 10,653.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.