Home / 13,965.94-20,952.24-4,105.54

Finding the Fourth Proportional to 13,965.94, 20,952.24 and 4,105.54

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Solution

The fourth proportional to 13,965.94, 20,952.24 and 4,105.54 is: 6,159.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.94 : 20,952.24 = 4,105.54 : x
  2. Step 2: Convert to fraction form
    13,965.94/20,952.24 = 4,105.54/x
  3. Step 3: Cross multiply
    13,965.94x = 20,952.24 × 4,105.54
  4. Step 4: Simplify right side
    13,965.94x = 86,020,259.41
  5. Step 5: Solve for x
    x = 86,020,259.41/13,965.94
  6. Step 6: Final answer
    x = 6,159.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.