Home / 11,097.38-16,628.33-7,771.90

Finding the Fourth Proportional to 11,097.38, 16,628.33 and 7,771.90

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Solution

The fourth proportional to 11,097.38, 16,628.33 and 7,771.90 is: 11,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,097.38 : 16,628.33 = 7,771.90 : x
  2. Step 2: Convert to fraction form
    11,097.38/16,628.33 = 7,771.90/x
  3. Step 3: Cross multiply
    11,097.38x = 16,628.33 × 7,771.90
  4. Step 4: Simplify right side
    11,097.38x = 129,233,717.93
  5. Step 5: Solve for x
    x = 129,233,717.93/11,097.38
  6. Step 6: Final answer
    x = 11,645.43

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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.