Home / 12,524.55-18,786.83-3,164.60

Finding the Fourth Proportional to 12,524.55, 18,786.83 and 3,164.60

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Solution

The fourth proportional to 12,524.55, 18,786.83 and 3,164.60 is: 4,746.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.55 : 18,786.83 = 3,164.60 : x
  2. Step 2: Convert to fraction form
    12,524.55/18,786.83 = 3,164.60/x
  3. Step 3: Cross multiply
    12,524.55x = 18,786.83 × 3,164.60
  4. Step 4: Simplify right side
    12,524.55x = 59,452,692.46
  5. Step 5: Solve for x
    x = 59,452,692.46/12,524.55
  6. Step 6: Final answer
    x = 4,746.89

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Similar ratio
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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.