Home / 20,268.21-30,392.31-6,224.88

Finding the Fourth Proportional to 20,268.21, 30,392.31 and 6,224.88

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Solution

The fourth proportional to 20,268.21, 30,392.31 and 6,224.88 is: 9,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,268.21 : 30,392.31 = 6,224.88 : x
  2. Step 2: Convert to fraction form
    20,268.21/30,392.31 = 6,224.88/x
  3. Step 3: Cross multiply
    20,268.21x = 30,392.31 × 6,224.88
  4. Step 4: Simplify right side
    20,268.21x = 189,188,482.67
  5. Step 5: Solve for x
    x = 189,188,482.67/20,268.21
  6. Step 6: Final answer
    x = 9,334.25

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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.