Home / 12,235.53-18,353.99-3,469.75

Finding the Fourth Proportional to 12,235.53, 18,353.99 and 3,469.75

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Solution

The fourth proportional to 12,235.53, 18,353.99 and 3,469.75 is: 5,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.53 : 18,353.99 = 3,469.75 : x
  2. Step 2: Convert to fraction form
    12,235.53/18,353.99 = 3,469.75/x
  3. Step 3: Cross multiply
    12,235.53x = 18,353.99 × 3,469.75
  4. Step 4: Simplify right side
    12,235.53x = 63,683,739.45
  5. Step 5: Solve for x
    x = 63,683,739.45/12,235.53
  6. Step 6: Final answer
    x = 5,204.82

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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.