Home / 12,911.47-19,367.41-4,027.03

Finding the Fourth Proportional to 12,911.47, 19,367.41 and 4,027.03

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Solution

The fourth proportional to 12,911.47, 19,367.41 and 4,027.03 is: 6,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,911.47 : 19,367.41 = 4,027.03 : x
  2. Step 2: Convert to fraction form
    12,911.47/19,367.41 = 4,027.03/x
  3. Step 3: Cross multiply
    12,911.47x = 19,367.41 × 4,027.03
  4. Step 4: Simplify right side
    12,911.47x = 77,993,170.34
  5. Step 5: Solve for x
    x = 77,993,170.34/12,911.47
  6. Step 6: Final answer
    x = 6,040.61

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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.