Home / 9,620.97-13,266.23-7,891.04

Finding the Fourth Proportional to 9,620.97, 13,266.23 and 7,891.04

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Solution

The fourth proportional to 9,620.97, 13,266.23 and 7,891.04 is: 10,880.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620.97 : 13,266.23 = 7,891.04 : x
  2. Step 2: Convert to fraction form
    9,620.97/13,266.23 = 7,891.04/x
  3. Step 3: Cross multiply
    9,620.97x = 13,266.23 × 7,891.04
  4. Step 4: Simplify right side
    9,620.97x = 104,684,245.79
  5. Step 5: Solve for x
    x = 104,684,245.79/9,620.97
  6. Step 6: Final answer
    x = 10,880.84

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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.