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Finding the Fourth Proportional to 13,762.77, 18,992.23 and 7,475.14

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Solution

The fourth proportional to 13,762.77, 18,992.23 and 7,475.14 is: 10,315.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762.77 : 18,992.23 = 7,475.14 : x
  2. Step 2: Convert to fraction form
    13,762.77/18,992.23 = 7,475.14/x
  3. Step 3: Cross multiply
    13,762.77x = 18,992.23 × 7,475.14
  4. Step 4: Simplify right side
    13,762.77x = 141,969,578.16
  5. Step 5: Solve for x
    x = 141,969,578.16/13,762.77
  6. Step 6: Final answer
    x = 10,315.48

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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.