Home / 20,329.98-30,474.09-7,846.62

Finding the Fourth Proportional to 20,329.98, 30,474.09 and 7,846.62

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Solution

The fourth proportional to 20,329.98, 30,474.09 and 7,846.62 is: 11,761.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,329.98 : 30,474.09 = 7,846.62 : x
  2. Step 2: Convert to fraction form
    20,329.98/30,474.09 = 7,846.62/x
  3. Step 3: Cross multiply
    20,329.98x = 30,474.09 × 7,846.62
  4. Step 4: Simplify right side
    20,329.98x = 239,118,604.08
  5. Step 5: Solve for x
    x = 239,118,604.08/20,329.98
  6. Step 6: Final answer
    x = 11,761.87

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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.