Home / 12,676.50-19,014.39-5,654.70

Finding the Fourth Proportional to 12,676.50, 19,014.39 and 5,654.70

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Solution

The fourth proportional to 12,676.50, 19,014.39 and 5,654.70 is: 8,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676.50 : 19,014.39 = 5,654.70 : x
  2. Step 2: Convert to fraction form
    12,676.50/19,014.39 = 5,654.70/x
  3. Step 3: Cross multiply
    12,676.50x = 19,014.39 × 5,654.70
  4. Step 4: Simplify right side
    12,676.50x = 107,520,671.13
  5. Step 5: Solve for x
    x = 107,520,671.13/12,676.50
  6. Step 6: Final answer
    x = 8,481.89

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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.