Home / 13,797.12-20,696.48-3,935.64

Finding the Fourth Proportional to 13,797.12, 20,696.48 and 3,935.64

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Solution

The fourth proportional to 13,797.12, 20,696.48 and 3,935.64 is: 5,903.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.12 : 20,696.48 = 3,935.64 : x
  2. Step 2: Convert to fraction form
    13,797.12/20,696.48 = 3,935.64/x
  3. Step 3: Cross multiply
    13,797.12x = 20,696.48 × 3,935.64
  4. Step 4: Simplify right side
    13,797.12x = 81,453,894.55
  5. Step 5: Solve for x
    x = 81,453,894.55/13,797.12
  6. Step 6: Final answer
    x = 5,903.69

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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.