Home / 12,271.03-18,409.48-3,951.83

Finding the Fourth Proportional to 12,271.03, 18,409.48 and 3,951.83

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Solution

The fourth proportional to 12,271.03, 18,409.48 and 3,951.83 is: 5,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,271.03 : 18,409.48 = 3,951.83 : x
  2. Step 2: Convert to fraction form
    12,271.03/18,409.48 = 3,951.83/x
  3. Step 3: Cross multiply
    12,271.03x = 18,409.48 × 3,951.83
  4. Step 4: Simplify right side
    12,271.03x = 72,751,135.35
  5. Step 5: Solve for x
    x = 72,751,135.35/12,271.03
  6. Step 6: Final answer
    x = 5,928.69

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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.