Home / 12,804.78-19,211.68-6,567.73

Finding the Fourth Proportional to 12,804.78, 19,211.68 and 6,567.73

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Solution

The fourth proportional to 12,804.78, 19,211.68 and 6,567.73 is: 9,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804.78 : 19,211.68 = 6,567.73 : x
  2. Step 2: Convert to fraction form
    12,804.78/19,211.68 = 6,567.73/x
  3. Step 3: Cross multiply
    12,804.78x = 19,211.68 × 6,567.73
  4. Step 4: Simplify right side
    12,804.78x = 126,177,195.33
  5. Step 5: Solve for x
    x = 126,177,195.33/12,804.78
  6. Step 6: Final answer
    x = 9,853.91

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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.