Home / 12,845.67-19,268.84-4,523.79

Finding the Fourth Proportional to 12,845.67, 19,268.84 and 4,523.79

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Solution

The fourth proportional to 12,845.67, 19,268.84 and 4,523.79 is: 6,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.67 : 19,268.84 = 4,523.79 : x
  2. Step 2: Convert to fraction form
    12,845.67/19,268.84 = 4,523.79/x
  3. Step 3: Cross multiply
    12,845.67x = 19,268.84 × 4,523.79
  4. Step 4: Simplify right side
    12,845.67x = 87,168,185.70
  5. Step 5: Solve for x
    x = 87,168,185.70/12,845.67
  6. Step 6: Final answer
    x = 6,785.80

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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.