Home / 11,590.35-15,972.60-11,377.09

Finding the Fourth Proportional to 11,590.35, 15,972.60 and 11,377.09

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Solution

The fourth proportional to 11,590.35, 15,972.60 and 11,377.09 is: 15,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,590.35 : 15,972.60 = 11,377.09 : x
  2. Step 2: Convert to fraction form
    11,590.35/15,972.60 = 11,377.09/x
  3. Step 3: Cross multiply
    11,590.35x = 15,972.60 × 11,377.09
  4. Step 4: Simplify right side
    11,590.35x = 181,721,707.73
  5. Step 5: Solve for x
    x = 181,721,707.73/11,590.35
  6. Step 6: Final answer
    x = 15,678.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.