Home / 20,185.07-30,268.49-6,146.82

Finding the Fourth Proportional to 20,185.07, 30,268.49 and 6,146.82

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Solution

The fourth proportional to 20,185.07, 30,268.49 and 6,146.82 is: 9,217.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185.07 : 30,268.49 = 6,146.82 : x
  2. Step 2: Convert to fraction form
    20,185.07/30,268.49 = 6,146.82/x
  3. Step 3: Cross multiply
    20,185.07x = 30,268.49 × 6,146.82
  4. Step 4: Simplify right side
    20,185.07x = 186,054,928.97
  5. Step 5: Solve for x
    x = 186,054,928.97/20,185.07
  6. Step 6: Final answer
    x = 9,217.46

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1.5x scale

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.