Home / 13,616.94-20,426.08-3,756

Finding the Fourth Proportional to 13,616.94, 20,426.08 and 3,756

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Solution

The fourth proportional to 13,616.94, 20,426.08 and 3,756 is: 5,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,616.94 : 20,426.08 = 3,756 : x
  2. Step 2: Convert to fraction form
    13,616.94/20,426.08 = 3,756/x
  3. Step 3: Cross multiply
    13,616.94x = 20,426.08 × 3,756
  4. Step 4: Simplify right side
    13,616.94x = 76,720,356.48
  5. Step 5: Solve for x
    x = 76,720,356.48/13,616.94
  6. Step 6: Final answer
    x = 5,634.18

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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.