Home / 20,482.01-30,723.41-6,441.74

Finding the Fourth Proportional to 20,482.01, 30,723.41 and 6,441.74

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Solution

The fourth proportional to 20,482.01, 30,723.41 and 6,441.74 is: 9,662.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,482.01 : 30,723.41 = 6,441.74 : x
  2. Step 2: Convert to fraction form
    20,482.01/30,723.41 = 6,441.74/x
  3. Step 3: Cross multiply
    20,482.01x = 30,723.41 × 6,441.74
  4. Step 4: Simplify right side
    20,482.01x = 197,912,119.48
  5. Step 5: Solve for x
    x = 197,912,119.48/20,482.01
  6. Step 6: Final answer
    x = 9,662.73

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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.