Home / 13,733.97-18,952.67-7,765.44

Finding the Fourth Proportional to 13,733.97, 18,952.67 and 7,765.44

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Solution

The fourth proportional to 13,733.97, 18,952.67 and 7,765.44 is: 10,716.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.97 : 18,952.67 = 7,765.44 : x
  2. Step 2: Convert to fraction form
    13,733.97/18,952.67 = 7,765.44/x
  3. Step 3: Cross multiply
    13,733.97x = 18,952.67 × 7,765.44
  4. Step 4: Simplify right side
    13,733.97x = 147,175,782.90
  5. Step 5: Solve for x
    x = 147,175,782.90/13,733.97
  6. Step 6: Final answer
    x = 10,716.19

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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.