Home / 13,733.67-18,952.37-7,765.55

Finding the Fourth Proportional to 13,733.67, 18,952.37 and 7,765.55

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Solution

The fourth proportional to 13,733.67, 18,952.37 and 7,765.55 is: 10,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.67 : 18,952.37 = 7,765.55 : x
  2. Step 2: Convert to fraction form
    13,733.67/18,952.37 = 7,765.55/x
  3. Step 3: Cross multiply
    13,733.67x = 18,952.37 × 7,765.55
  4. Step 4: Simplify right side
    13,733.67x = 147,175,628.22
  5. Step 5: Solve for x
    x = 147,175,628.22/13,733.67
  6. Step 6: Final answer
    x = 10,716.41

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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.