Home / 12,692.43-19,039.89-4,371.33

Finding the Fourth Proportional to 12,692.43, 19,039.89 and 4,371.33

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Solution

The fourth proportional to 12,692.43, 19,039.89 and 4,371.33 is: 6,557.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,692.43 : 19,039.89 = 4,371.33 : x
  2. Step 2: Convert to fraction form
    12,692.43/19,039.89 = 4,371.33/x
  3. Step 3: Cross multiply
    12,692.43x = 19,039.89 × 4,371.33
  4. Step 4: Simplify right side
    12,692.43x = 83,229,642.35
  5. Step 5: Solve for x
    x = 83,229,642.35/12,692.43
  6. Step 6: Final answer
    x = 6,557.42

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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.