Home / 10,692.92-16,039.38-4,122.20

Finding the Fourth Proportional to 10,692.92, 16,039.38 and 4,122.20

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Solution

The fourth proportional to 10,692.92, 16,039.38 and 4,122.20 is: 6,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692.92 : 16,039.38 = 4,122.20 : x
  2. Step 2: Convert to fraction form
    10,692.92/16,039.38 = 4,122.20/x
  3. Step 3: Cross multiply
    10,692.92x = 16,039.38 × 4,122.20
  4. Step 4: Simplify right side
    10,692.92x = 66,117,532.24
  5. Step 5: Solve for x
    x = 66,117,532.24/10,692.92
  6. Step 6: Final answer
    x = 6,183.30

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1.5x scale

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.