Home / 12,217.37-18,329.04-3,897.39

Finding the Fourth Proportional to 12,217.37, 18,329.04 and 3,897.39

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Solution

The fourth proportional to 12,217.37, 18,329.04 and 3,897.39 is: 5,847.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.37 : 18,329.04 = 3,897.39 : x
  2. Step 2: Convert to fraction form
    12,217.37/18,329.04 = 3,897.39/x
  3. Step 3: Cross multiply
    12,217.37x = 18,329.04 × 3,897.39
  4. Step 4: Simplify right side
    12,217.37x = 71,435,306.07
  5. Step 5: Solve for x
    x = 71,435,306.07/12,217.37
  6. Step 6: Final answer
    x = 5,847.03

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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.