Home / 11,198.58-15,455.25-7,008.18

Finding the Fourth Proportional to 11,198.58, 15,455.25 and 7,008.18

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Solution

The fourth proportional to 11,198.58, 15,455.25 and 7,008.18 is: 9,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198.58 : 15,455.25 = 7,008.18 : x
  2. Step 2: Convert to fraction form
    11,198.58/15,455.25 = 7,008.18/x
  3. Step 3: Cross multiply
    11,198.58x = 15,455.25 × 7,008.18
  4. Step 4: Simplify right side
    11,198.58x = 108,313,173.95
  5. Step 5: Solve for x
    x = 108,313,173.95/11,198.58
  6. Step 6: Final answer
    x = 9,672.05

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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.