Home / 14,494.37-20,004.34-8,121.39

Finding the Fourth Proportional to 14,494.37, 20,004.34 and 8,121.39

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Solution

The fourth proportional to 14,494.37, 20,004.34 and 8,121.39 is: 11,208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,494.37 : 20,004.34 = 8,121.39 : x
  2. Step 2: Convert to fraction form
    14,494.37/20,004.34 = 8,121.39/x
  3. Step 3: Cross multiply
    14,494.37x = 20,004.34 × 8,121.39
  4. Step 4: Simplify right side
    14,494.37x = 162,462,906.20
  5. Step 5: Solve for x
    x = 162,462,906.20/14,494.37
  6. Step 6: Final answer
    x = 11,208.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.