Home / 11,478.56-17,217.83-3,692.84

Finding the Fourth Proportional to 11,478.56, 17,217.83 and 3,692.84

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Solution

The fourth proportional to 11,478.56, 17,217.83 and 3,692.84 is: 5,539.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478.56 : 17,217.83 = 3,692.84 : x
  2. Step 2: Convert to fraction form
    11,478.56/17,217.83 = 3,692.84/x
  3. Step 3: Cross multiply
    11,478.56x = 17,217.83 × 3,692.84
  4. Step 4: Simplify right side
    11,478.56x = 63,582,672.87
  5. Step 5: Solve for x
    x = 63,582,672.87/11,478.56
  6. Step 6: Final answer
    x = 5,539.26

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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.