Home / 12,263.55-18,395.97-3,942.93

Finding the Fourth Proportional to 12,263.55, 18,395.97 and 3,942.93

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Solution

The fourth proportional to 12,263.55, 18,395.97 and 3,942.93 is: 5,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.55 : 18,395.97 = 3,942.93 : x
  2. Step 2: Convert to fraction form
    12,263.55/18,395.97 = 3,942.93/x
  3. Step 3: Cross multiply
    12,263.55x = 18,395.97 × 3,942.93
  4. Step 4: Simplify right side
    12,263.55x = 72,534,021.99
  5. Step 5: Solve for x
    x = 72,534,021.99/12,263.55
  6. Step 6: Final answer
    x = 5,914.60

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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.