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Finding the Fourth Proportional to 12,733.99, 17,572.94 and 7,144.99

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Solution

The fourth proportional to 12,733.99, 17,572.94 and 7,144.99 is: 9,860.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,733.99 : 17,572.94 = 7,144.99 : x
  2. Step 2: Convert to fraction form
    12,733.99/17,572.94 = 7,144.99/x
  3. Step 3: Cross multiply
    12,733.99x = 17,572.94 × 7,144.99
  4. Step 4: Simplify right side
    12,733.99x = 125,558,480.57
  5. Step 5: Solve for x
    x = 125,558,480.57/12,733.99
  6. Step 6: Final answer
    x = 9,860.11

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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.