Home / 17,971.09-26,956.60-5,491.15

Finding the Fourth Proportional to 17,971.09, 26,956.60 and 5,491.15

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Solution

The fourth proportional to 17,971.09, 26,956.60 and 5,491.15 is: 8,236.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,971.09 : 26,956.60 = 5,491.15 : x
  2. Step 2: Convert to fraction form
    17,971.09/26,956.60 = 5,491.15/x
  3. Step 3: Cross multiply
    17,971.09x = 26,956.60 × 5,491.15
  4. Step 4: Simplify right side
    17,971.09x = 148,022,734.09
  5. Step 5: Solve for x
    x = 148,022,734.09/17,971.09
  6. Step 6: Final answer
    x = 8,236.71

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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.