Home / 20,171.21-30,257.48-6,844.07

Finding the Fourth Proportional to 20,171.21, 30,257.48 and 6,844.07

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Solution

The fourth proportional to 20,171.21, 30,257.48 and 6,844.07 is: 10,266.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171.21 : 30,257.48 = 6,844.07 : x
  2. Step 2: Convert to fraction form
    20,171.21/30,257.48 = 6,844.07/x
  3. Step 3: Cross multiply
    20,171.21x = 30,257.48 × 6,844.07
  4. Step 4: Simplify right side
    20,171.21x = 207,084,403.90
  5. Step 5: Solve for x
    x = 207,084,403.90/20,171.21
  6. Step 6: Final answer
    x = 10,266.34

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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.