Home / 13,942.42-19,244.22-8,634.22

Finding the Fourth Proportional to 13,942.42, 19,244.22 and 8,634.22

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Solution

The fourth proportional to 13,942.42, 19,244.22 and 8,634.22 is: 11,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.42 : 19,244.22 = 8,634.22 : x
  2. Step 2: Convert to fraction form
    13,942.42/19,244.22 = 8,634.22/x
  3. Step 3: Cross multiply
    13,942.42x = 19,244.22 × 8,634.22
  4. Step 4: Simplify right side
    13,942.42x = 166,158,829.21
  5. Step 5: Solve for x
    x = 166,158,829.21/13,942.42
  6. Step 6: Final answer
    x = 11,917.50

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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.