Home / 10,692.26-16,038.41-4,121.54

Finding the Fourth Proportional to 10,692.26, 16,038.41 and 4,121.54

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Solution

The fourth proportional to 10,692.26, 16,038.41 and 4,121.54 is: 6,182.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692.26 : 16,038.41 = 4,121.54 : x
  2. Step 2: Convert to fraction form
    10,692.26/16,038.41 = 4,121.54/x
  3. Step 3: Cross multiply
    10,692.26x = 16,038.41 × 4,121.54
  4. Step 4: Simplify right side
    10,692.26x = 66,102,948.35
  5. Step 5: Solve for x
    x = 66,102,948.35/10,692.26
  6. Step 6: Final answer
    x = 6,182.32

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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.