Home / 20,262.48-30,394.23-5,471.34

Finding the Fourth Proportional to 20,262.48, 30,394.23 and 5,471.34

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Solution

The fourth proportional to 20,262.48, 30,394.23 and 5,471.34 is: 8,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.48 : 30,394.23 = 5,471.34 : x
  2. Step 2: Convert to fraction form
    20,262.48/30,394.23 = 5,471.34/x
  3. Step 3: Cross multiply
    20,262.48x = 30,394.23 × 5,471.34
  4. Step 4: Simplify right side
    20,262.48x = 166,297,166.37
  5. Step 5: Solve for x
    x = 166,297,166.37/20,262.48
  6. Step 6: Final answer
    x = 8,207.15

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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.