Home / 12,614.36-18,923.60-3,847.23

Finding the Fourth Proportional to 12,614.36, 18,923.60 and 3,847.23

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Solution

The fourth proportional to 12,614.36, 18,923.60 and 3,847.23 is: 5,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.36 : 18,923.60 = 3,847.23 : x
  2. Step 2: Convert to fraction form
    12,614.36/18,923.60 = 3,847.23/x
  3. Step 3: Cross multiply
    12,614.36x = 18,923.60 × 3,847.23
  4. Step 4: Simplify right side
    12,614.36x = 72,803,451.25
  5. Step 5: Solve for x
    x = 72,803,451.25/12,614.36
  6. Step 6: Final answer
    x = 5,771.48

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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.