Home / 11,195.25-15,449.57-6,415.09

Finding the Fourth Proportional to 11,195.25, 15,449.57 and 6,415.09

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Solution

The fourth proportional to 11,195.25, 15,449.57 and 6,415.09 is: 8,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.25 : 15,449.57 = 6,415.09 : x
  2. Step 2: Convert to fraction form
    11,195.25/15,449.57 = 6,415.09/x
  3. Step 3: Cross multiply
    11,195.25x = 15,449.57 × 6,415.09
  4. Step 4: Simplify right side
    11,195.25x = 99,110,382.01
  5. Step 5: Solve for x
    x = 99,110,382.01/11,195.25
  6. Step 6: Final answer
    x = 8,852.90

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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.