Home / 12,369.99-18,558.05-3,604.98

Finding the Fourth Proportional to 12,369.99, 18,558.05 and 3,604.98

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Solution

The fourth proportional to 12,369.99, 18,558.05 and 3,604.98 is: 5,408.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.99 : 18,558.05 = 3,604.98 : x
  2. Step 2: Convert to fraction form
    12,369.99/18,558.05 = 3,604.98/x
  3. Step 3: Cross multiply
    12,369.99x = 18,558.05 × 3,604.98
  4. Step 4: Simplify right side
    12,369.99x = 66,901,399.09
  5. Step 5: Solve for x
    x = 66,901,399.09/12,369.99
  6. Step 6: Final answer
    x = 5,408.36

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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.