Home / 9,015.12-12,449.40-8,524.26

Finding the Fourth Proportional to 9,015.12, 12,449.40 and 8,524.26

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Solution

The fourth proportional to 9,015.12, 12,449.40 and 8,524.26 is: 11,771.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.12 : 12,449.40 = 8,524.26 : x
  2. Step 2: Convert to fraction form
    9,015.12/12,449.40 = 8,524.26/x
  3. Step 3: Cross multiply
    9,015.12x = 12,449.40 × 8,524.26
  4. Step 4: Simplify right side
    9,015.12x = 106,121,922.44
  5. Step 5: Solve for x
    x = 106,121,922.44/9,015.12
  6. Step 6: Final answer
    x = 11,771.55

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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.