Home / 19,299.82-26,634.51-12,589.90

Finding the Fourth Proportional to 19,299.82, 26,634.51 and 12,589.90

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Solution

The fourth proportional to 19,299.82, 26,634.51 and 12,589.90 is: 17,374.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.82 : 26,634.51 = 12,589.90 : x
  2. Step 2: Convert to fraction form
    19,299.82/26,634.51 = 12,589.90/x
  3. Step 3: Cross multiply
    19,299.82x = 26,634.51 × 12,589.90
  4. Step 4: Simplify right side
    19,299.82x = 335,325,817.45
  5. Step 5: Solve for x
    x = 335,325,817.45/19,299.82
  6. Step 6: Final answer
    x = 17,374.56

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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.