Home / 12,828.90-19,241.73-4,064.70

Finding the Fourth Proportional to 12,828.90, 19,241.73 and 4,064.70

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Solution

The fourth proportional to 12,828.90, 19,241.73 and 4,064.70 is: 6,096.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828.90 : 19,241.73 = 4,064.70 : x
  2. Step 2: Convert to fraction form
    12,828.90/19,241.73 = 4,064.70/x
  3. Step 3: Cross multiply
    12,828.90x = 19,241.73 × 4,064.70
  4. Step 4: Simplify right side
    12,828.90x = 78,211,859.93
  5. Step 5: Solve for x
    x = 78,211,859.93/12,828.90
  6. Step 6: Final answer
    x = 6,096.54

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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.