Home / 20,401.39-30,596.01-7,923.34

Finding the Fourth Proportional to 20,401.39, 30,596.01 and 7,923.34

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Solution

The fourth proportional to 20,401.39, 30,596.01 and 7,923.34 is: 11,882.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401.39 : 30,596.01 = 7,923.34 : x
  2. Step 2: Convert to fraction form
    20,401.39/30,596.01 = 7,923.34/x
  3. Step 3: Cross multiply
    20,401.39x = 30,596.01 × 7,923.34
  4. Step 4: Simplify right side
    20,401.39x = 242,422,589.87
  5. Step 5: Solve for x
    x = 242,422,589.87/20,401.39
  6. Step 6: Final answer
    x = 11,882.65

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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.