Home / 20,264.87-30,394.93-5,474.95

Finding the Fourth Proportional to 20,264.87, 30,394.93 and 5,474.95

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Solution

The fourth proportional to 20,264.87, 30,394.93 and 5,474.95 is: 8,211.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.87 : 30,394.93 = 5,474.95 : x
  2. Step 2: Convert to fraction form
    20,264.87/30,394.93 = 5,474.95/x
  3. Step 3: Cross multiply
    20,264.87x = 30,394.93 × 5,474.95
  4. Step 4: Simplify right side
    20,264.87x = 166,410,722.00
  5. Step 5: Solve for x
    x = 166,410,722.00/20,264.87
  6. Step 6: Final answer
    x = 8,211.78

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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.