Home / 20,257.21-30,385.82-5,466.13

Finding the Fourth Proportional to 20,257.21, 30,385.82 and 5,466.13

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Solution

The fourth proportional to 20,257.21, 30,385.82 and 5,466.13 is: 8,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257.21 : 30,385.82 = 5,466.13 : x
  2. Step 2: Convert to fraction form
    20,257.21/30,385.82 = 5,466.13/x
  3. Step 3: Cross multiply
    20,257.21x = 30,385.82 × 5,466.13
  4. Step 4: Simplify right side
    20,257.21x = 166,092,749.23
  5. Step 5: Solve for x
    x = 166,092,749.23/20,257.21
  6. Step 6: Final answer
    x = 8,199.19

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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.