Home / 11,198.52-15,451.16-7,214.84

Finding the Fourth Proportional to 11,198.52, 15,451.16 and 7,214.84

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Solution

The fourth proportional to 11,198.52, 15,451.16 and 7,214.84 is: 9,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198.52 : 15,451.16 = 7,214.84 : x
  2. Step 2: Convert to fraction form
    11,198.52/15,451.16 = 7,214.84/x
  3. Step 3: Cross multiply
    11,198.52x = 15,451.16 × 7,214.84
  4. Step 4: Simplify right side
    11,198.52x = 111,477,647.21
  5. Step 5: Solve for x
    x = 111,477,647.21/11,198.52
  6. Step 6: Final answer
    x = 9,954.68

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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.