Home / 19,739.73-29,630.09-11,435.96

Finding the Fourth Proportional to 19,739.73, 29,630.09 and 11,435.96

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Solution

The fourth proportional to 19,739.73, 29,630.09 and 11,435.96 is: 17,165.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.73 : 29,630.09 = 11,435.96 : x
  2. Step 2: Convert to fraction form
    19,739.73/29,630.09 = 11,435.96/x
  3. Step 3: Cross multiply
    19,739.73x = 29,630.09 × 11,435.96
  4. Step 4: Simplify right side
    19,739.73x = 338,848,527.29
  5. Step 5: Solve for x
    x = 338,848,527.29/19,739.73
  6. Step 6: Final answer
    x = 17,165.82

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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.