Home / 20,150.48-30,208.44-6,994.64

Finding the Fourth Proportional to 20,150.48, 30,208.44 and 6,994.64

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Solution

The fourth proportional to 20,150.48, 30,208.44 and 6,994.64 is: 10,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150.48 : 30,208.44 = 6,994.64 : x
  2. Step 2: Convert to fraction form
    20,150.48/30,208.44 = 6,994.64/x
  3. Step 3: Cross multiply
    20,150.48x = 30,208.44 × 6,994.64
  4. Step 4: Simplify right side
    20,150.48x = 211,297,162.76
  5. Step 5: Solve for x
    x = 211,297,162.76/20,150.48
  6. Step 6: Final answer
    x = 10,485.96

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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.