Home / 20,259.21-30,388.82-5,468.13

Finding the Fourth Proportional to 20,259.21, 30,388.82 and 5,468.13

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Solution

The fourth proportional to 20,259.21, 30,388.82 and 5,468.13 is: 8,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259.21 : 30,388.82 = 5,468.13 : x
  2. Step 2: Convert to fraction form
    20,259.21/30,388.82 = 5,468.13/x
  3. Step 3: Cross multiply
    20,259.21x = 30,388.82 × 5,468.13
  4. Step 4: Simplify right side
    20,259.21x = 166,170,018.31
  5. Step 5: Solve for x
    x = 166,170,018.31/20,259.21
  6. Step 6: Final answer
    x = 8,202.20

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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.