Home / 19,069.56-26,306.37-12,771

Finding the Fourth Proportional to 19,069.56, 26,306.37 and 12,771

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Solution

The fourth proportional to 19,069.56, 26,306.37 and 12,771 is: 17,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.56 : 26,306.37 = 12,771 : x
  2. Step 2: Convert to fraction form
    19,069.56/26,306.37 = 12,771/x
  3. Step 3: Cross multiply
    19,069.56x = 26,306.37 × 12,771
  4. Step 4: Simplify right side
    19,069.56x = 335,958,651.27
  5. Step 5: Solve for x
    x = 335,958,651.27/19,069.56
  6. Step 6: Final answer
    x = 17,617.54

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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.