Home / 17,942.01-26,919.06-7,945.39

Finding the Fourth Proportional to 17,942.01, 26,919.06 and 7,945.39

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Solution

The fourth proportional to 17,942.01, 26,919.06 and 7,945.39 is: 11,920.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,942.01 : 26,919.06 = 7,945.39 : x
  2. Step 2: Convert to fraction form
    17,942.01/26,919.06 = 7,945.39/x
  3. Step 3: Cross multiply
    17,942.01x = 26,919.06 × 7,945.39
  4. Step 4: Simplify right side
    17,942.01x = 213,882,346.02
  5. Step 5: Solve for x
    x = 213,882,346.02/17,942.01
  6. Step 6: Final answer
    x = 11,920.76

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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.