Home / 9,226.60-13,811.10-7,268.20

Finding the Fourth Proportional to 9,226.60, 13,811.10 and 7,268.20

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Solution

The fourth proportional to 9,226.60, 13,811.10 and 7,268.20 is: 10,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,226.60 : 13,811.10 = 7,268.20 : x
  2. Step 2: Convert to fraction form
    9,226.60/13,811.10 = 7,268.20/x
  3. Step 3: Cross multiply
    9,226.60x = 13,811.10 × 7,268.20
  4. Step 4: Simplify right side
    9,226.60x = 100,381,837.02
  5. Step 5: Solve for x
    x = 100,381,837.02/9,226.60
  6. Step 6: Final answer
    x = 10,879.61

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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.