Home / 20,252.35-30,379.44-6,211.36

Finding the Fourth Proportional to 20,252.35, 30,379.44 and 6,211.36

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Solution

The fourth proportional to 20,252.35, 30,379.44 and 6,211.36 is: 9,317.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.35 : 30,379.44 = 6,211.36 : x
  2. Step 2: Convert to fraction form
    20,252.35/30,379.44 = 6,211.36/x
  3. Step 3: Cross multiply
    20,252.35x = 30,379.44 × 6,211.36
  4. Step 4: Simplify right side
    20,252.35x = 188,697,562.49
  5. Step 5: Solve for x
    x = 188,697,562.49/20,252.35
  6. Step 6: Final answer
    x = 9,317.32

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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.