Home / 17,930.70-26,896.05-13,791.60

Finding the Fourth Proportional to 17,930.70, 26,896.05 and 13,791.60

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Solution

The fourth proportional to 17,930.70, 26,896.05 and 13,791.60 is: 20,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930.70 : 26,896.05 = 13,791.60 : x
  2. Step 2: Convert to fraction form
    17,930.70/26,896.05 = 13,791.60/x
  3. Step 3: Cross multiply
    17,930.70x = 26,896.05 × 13,791.60
  4. Step 4: Simplify right side
    17,930.70x = 370,939,563.18
  5. Step 5: Solve for x
    x = 370,939,563.18/17,930.70
  6. Step 6: Final answer
    x = 20,687.40

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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.