Home / 13,865.94-19,143.94-12,371.27

Finding the Fourth Proportional to 13,865.94, 19,143.94 and 12,371.27

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Solution

The fourth proportional to 13,865.94, 19,143.94 and 12,371.27 is: 17,080.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865.94 : 19,143.94 = 12,371.27 : x
  2. Step 2: Convert to fraction form
    13,865.94/19,143.94 = 12,371.27/x
  3. Step 3: Cross multiply
    13,865.94x = 19,143.94 × 12,371.27
  4. Step 4: Simplify right side
    13,865.94x = 236,834,723.96
  5. Step 5: Solve for x
    x = 236,834,723.96/13,865.94
  6. Step 6: Final answer
    x = 17,080.32

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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.