Home / 13,942.26-19,242.63-8,908.97

Finding the Fourth Proportional to 13,942.26, 19,242.63 and 8,908.97

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Solution

The fourth proportional to 13,942.26, 19,242.63 and 8,908.97 is: 12,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.26 : 19,242.63 = 8,908.97 : x
  2. Step 2: Convert to fraction form
    13,942.26/19,242.63 = 8,908.97/x
  3. Step 3: Cross multiply
    13,942.26x = 19,242.63 × 8,908.97
  4. Step 4: Simplify right side
    13,942.26x = 171,431,917.18
  5. Step 5: Solve for x
    x = 171,431,917.18/13,942.26
  6. Step 6: Final answer
    x = 12,295.85

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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.