Home / 13,992.74-19,277.13-9,736.49

Finding the Fourth Proportional to 13,992.74, 19,277.13 and 9,736.49

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Solution

The fourth proportional to 13,992.74, 19,277.13 and 9,736.49 is: 13,413.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.74 : 19,277.13 = 9,736.49 : x
  2. Step 2: Convert to fraction form
    13,992.74/19,277.13 = 9,736.49/x
  3. Step 3: Cross multiply
    13,992.74x = 19,277.13 × 9,736.49
  4. Step 4: Simplify right side
    13,992.74x = 187,691,593.15
  5. Step 5: Solve for x
    x = 187,691,593.15/13,992.74
  6. Step 6: Final answer
    x = 13,413.50

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1.5x scale

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.