Home / 20,258.21-30,387.35-5,467.14

Finding the Fourth Proportional to 20,258.21, 30,387.35 and 5,467.14

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Solution

The fourth proportional to 20,258.21, 30,387.35 and 5,467.14 is: 8,200.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258.21 : 30,387.35 = 5,467.14 : x
  2. Step 2: Convert to fraction form
    20,258.21/30,387.35 = 5,467.14/x
  3. Step 3: Cross multiply
    20,258.21x = 30,387.35 × 5,467.14
  4. Step 4: Simplify right side
    20,258.21x = 166,131,910.35
  5. Step 5: Solve for x
    x = 166,131,910.35/20,258.21
  6. Step 6: Final answer
    x = 8,200.72

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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.