Home / 15,190.44-20,957.90-8,474.98

Finding the Fourth Proportional to 15,190.44, 20,957.90 and 8,474.98

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Solution

The fourth proportional to 15,190.44, 20,957.90 and 8,474.98 is: 11,692.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190.44 : 20,957.90 = 8,474.98 : x
  2. Step 2: Convert to fraction form
    15,190.44/20,957.90 = 8,474.98/x
  3. Step 3: Cross multiply
    15,190.44x = 20,957.90 × 8,474.98
  4. Step 4: Simplify right side
    15,190.44x = 177,617,783.34
  5. Step 5: Solve for x
    x = 177,617,783.34/15,190.44
  6. Step 6: Final answer
    x = 11,692.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.