Home / 13,084.20-19,620.23-5,684.85

Finding the Fourth Proportional to 13,084.20, 19,620.23 and 5,684.85

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Solution

The fourth proportional to 13,084.20, 19,620.23 and 5,684.85 is: 8,524.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.20 : 19,620.23 = 5,684.85 : x
  2. Step 2: Convert to fraction form
    13,084.20/19,620.23 = 5,684.85/x
  3. Step 3: Cross multiply
    13,084.20x = 19,620.23 × 5,684.85
  4. Step 4: Simplify right side
    13,084.20x = 111,538,036.09
  5. Step 5: Solve for x
    x = 111,538,036.09/13,084.20
  6. Step 6: Final answer
    x = 8,524.64

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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.