Home / 20,258.75-30,385.83-5,466.80

Finding the Fourth Proportional to 20,258.75, 30,385.83 and 5,466.80

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Solution

The fourth proportional to 20,258.75, 30,385.83 and 5,466.80 is: 8,199.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258.75 : 30,385.83 = 5,466.80 : x
  2. Step 2: Convert to fraction form
    20,258.75/30,385.83 = 5,466.80/x
  3. Step 3: Cross multiply
    20,258.75x = 30,385.83 × 5,466.80
  4. Step 4: Simplify right side
    20,258.75x = 166,113,255.44
  5. Step 5: Solve for x
    x = 166,113,255.44/20,258.75
  6. Step 6: Final answer
    x = 8,199.58

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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.