Home / 11,726.89-17,590.45-2,961.80

Finding the Fourth Proportional to 11,726.89, 17,590.45 and 2,961.80

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Solution

The fourth proportional to 11,726.89, 17,590.45 and 2,961.80 is: 4,442.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,726.89 : 17,590.45 = 2,961.80 : x
  2. Step 2: Convert to fraction form
    11,726.89/17,590.45 = 2,961.80/x
  3. Step 3: Cross multiply
    11,726.89x = 17,590.45 × 2,961.80
  4. Step 4: Simplify right side
    11,726.89x = 52,099,394.81
  5. Step 5: Solve for x
    x = 52,099,394.81/11,726.89
  6. Step 6: Final answer
    x = 4,442.73

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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.