Home / 12,371.25-18,557.96-3,137.25

Finding the Fourth Proportional to 12,371.25, 18,557.96 and 3,137.25

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Solution

The fourth proportional to 12,371.25, 18,557.96 and 3,137.25 is: 4,706.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.25 : 18,557.96 = 3,137.25 : x
  2. Step 2: Convert to fraction form
    12,371.25/18,557.96 = 3,137.25/x
  3. Step 3: Cross multiply
    12,371.25x = 18,557.96 × 3,137.25
  4. Step 4: Simplify right side
    12,371.25x = 58,220,944.32
  5. Step 5: Solve for x
    x = 58,220,944.32/12,371.25
  6. Step 6: Final answer
    x = 4,706.15

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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.