Home / 12,676.52-19,017.30-3,911.04

Finding the Fourth Proportional to 12,676.52, 19,017.30 and 3,911.04

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Solution

The fourth proportional to 12,676.52, 19,017.30 and 3,911.04 is: 5,867.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676.52 : 19,017.30 = 3,911.04 : x
  2. Step 2: Convert to fraction form
    12,676.52/19,017.30 = 3,911.04/x
  3. Step 3: Cross multiply
    12,676.52x = 19,017.30 × 3,911.04
  4. Step 4: Simplify right side
    12,676.52x = 74,377,420.99
  5. Step 5: Solve for x
    x = 74,377,420.99/12,676.52
  6. Step 6: Final answer
    x = 5,867.34

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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.