Home / 13,915.73-20,849.29-11,590.68

Finding the Fourth Proportional to 13,915.73, 20,849.29 and 11,590.68

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Solution

The fourth proportional to 13,915.73, 20,849.29 and 11,590.68 is: 17,365.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.73 : 20,849.29 = 11,590.68 : x
  2. Step 2: Convert to fraction form
    13,915.73/20,849.29 = 11,590.68/x
  3. Step 3: Cross multiply
    13,915.73x = 20,849.29 × 11,590.68
  4. Step 4: Simplify right side
    13,915.73x = 241,657,448.62
  5. Step 5: Solve for x
    x = 241,657,448.62/13,915.73
  6. Step 6: Final answer
    x = 17,365.78

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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.