Home / 20,263.93-30,395.85-5,474.32

Finding the Fourth Proportional to 20,263.93, 30,395.85 and 5,474.32

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Solution

The fourth proportional to 20,263.93, 30,395.85 and 5,474.32 is: 8,211.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.93 : 30,395.85 = 5,474.32 : x
  2. Step 2: Convert to fraction form
    20,263.93/30,395.85 = 5,474.32/x
  3. Step 3: Cross multiply
    20,263.93x = 30,395.85 × 5,474.32
  4. Step 4: Simplify right side
    20,263.93x = 166,396,609.57
  5. Step 5: Solve for x
    x = 166,396,609.57/20,263.93
  6. Step 6: Final answer
    x = 8,211.47

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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.