Home / 12,237.21-18,353.25-3,469.77

Finding the Fourth Proportional to 12,237.21, 18,353.25 and 3,469.77

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Solution

The fourth proportional to 12,237.21, 18,353.25 and 3,469.77 is: 5,203.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.21 : 18,353.25 = 3,469.77 : x
  2. Step 2: Convert to fraction form
    12,237.21/18,353.25 = 3,469.77/x
  3. Step 3: Cross multiply
    12,237.21x = 18,353.25 × 3,469.77
  4. Step 4: Simplify right side
    12,237.21x = 63,681,556.25
  5. Step 5: Solve for x
    x = 63,681,556.25/12,237.21
  6. Step 6: Final answer
    x = 5,203.93

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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.