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Finding the Fourth Proportional to 14,028.72, 19,348.92 and 8,723.76

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Solution

The fourth proportional to 14,028.72, 19,348.92 and 8,723.76 is: 12,032.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.72 : 19,348.92 = 8,723.76 : x
  2. Step 2: Convert to fraction form
    14,028.72/19,348.92 = 8,723.76/x
  3. Step 3: Cross multiply
    14,028.72x = 19,348.92 × 8,723.76
  4. Step 4: Simplify right side
    14,028.72x = 168,795,334.34
  5. Step 5: Solve for x
    x = 168,795,334.34/14,028.72
  6. Step 6: Final answer
    x = 12,032.13

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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.