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Finding the Fourth Proportional to 12,676.19, 19,014.29 and 3,442.19

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Solution

The fourth proportional to 12,676.19, 19,014.29 and 3,442.19 is: 5,163.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676.19 : 19,014.29 = 3,442.19 : x
  2. Step 2: Convert to fraction form
    12,676.19/19,014.29 = 3,442.19/x
  3. Step 3: Cross multiply
    12,676.19x = 19,014.29 × 3,442.19
  4. Step 4: Simplify right side
    12,676.19x = 65,450,798.90
  5. Step 5: Solve for x
    x = 65,450,798.90/12,676.19
  6. Step 6: Final answer
    x = 5,163.29

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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.