Home / 12,936.74-19,401.05-8,577.32

Finding the Fourth Proportional to 12,936.74, 19,401.05 and 8,577.32

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Solution

The fourth proportional to 12,936.74, 19,401.05 and 8,577.32 is: 12,863.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936.74 : 19,401.05 = 8,577.32 : x
  2. Step 2: Convert to fraction form
    12,936.74/19,401.05 = 8,577.32/x
  3. Step 3: Cross multiply
    12,936.74x = 19,401.05 × 8,577.32
  4. Step 4: Simplify right side
    12,936.74x = 166,408,938.62
  5. Step 5: Solve for x
    x = 166,408,938.62/12,936.74
  6. Step 6: Final answer
    x = 12,863.29

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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.