Home / 20,263.96-30,395.94-5,474.44

Finding the Fourth Proportional to 20,263.96, 30,395.94 and 5,474.44

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Solution

The fourth proportional to 20,263.96, 30,395.94 and 5,474.44 is: 8,211.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.96 : 30,395.94 = 5,474.44 : x
  2. Step 2: Convert to fraction form
    20,263.96/30,395.94 = 5,474.44/x
  3. Step 3: Cross multiply
    20,263.96x = 30,395.94 × 5,474.44
  4. Step 4: Simplify right side
    20,263.96x = 166,400,749.77
  5. Step 5: Solve for x
    x = 166,400,749.77/20,263.96
  6. Step 6: Final answer
    x = 8,211.66

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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.