Home / 13,942.48-19,244.24-8,634.16

Finding the Fourth Proportional to 13,942.48, 19,244.24 and 8,634.16

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Solution

The fourth proportional to 13,942.48, 19,244.24 and 8,634.16 is: 11,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.48 : 19,244.24 = 8,634.16 : x
  2. Step 2: Convert to fraction form
    13,942.48/19,244.24 = 8,634.16/x
  3. Step 3: Cross multiply
    13,942.48x = 19,244.24 × 8,634.16
  4. Step 4: Simplify right side
    13,942.48x = 166,157,847.24
  5. Step 5: Solve for x
    x = 166,157,847.24/13,942.48
  6. Step 6: Final answer
    x = 11,917.38

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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.