Home / 19,379.58-29,072.42-8,286.33

Finding the Fourth Proportional to 19,379.58, 29,072.42 and 8,286.33

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Solution

The fourth proportional to 19,379.58, 29,072.42 and 8,286.33 is: 12,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379.58 : 29,072.42 = 8,286.33 : x
  2. Step 2: Convert to fraction form
    19,379.58/29,072.42 = 8,286.33/x
  3. Step 3: Cross multiply
    19,379.58x = 29,072.42 × 8,286.33
  4. Step 4: Simplify right side
    19,379.58x = 240,903,624.59
  5. Step 5: Solve for x
    x = 240,903,624.59/19,379.58
  6. Step 6: Final answer
    x = 12,430.80

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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.