Home / 12,676.38-19,014.05-3,316.25

Finding the Fourth Proportional to 12,676.38, 19,014.05 and 3,316.25

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Solution

The fourth proportional to 12,676.38, 19,014.05 and 3,316.25 is: 4,974.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676.38 : 19,014.05 = 3,316.25 : x
  2. Step 2: Convert to fraction form
    12,676.38/19,014.05 = 3,316.25/x
  3. Step 3: Cross multiply
    12,676.38x = 19,014.05 × 3,316.25
  4. Step 4: Simplify right side
    12,676.38x = 63,055,231.66
  5. Step 5: Solve for x
    x = 63,055,231.66/12,676.38
  6. Step 6: Final answer
    x = 4,974.23

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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.