Home / 14,943.57-20,629.13-8,654.73

Finding the Fourth Proportional to 14,943.57, 20,629.13 and 8,654.73

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Solution

The fourth proportional to 14,943.57, 20,629.13 and 8,654.73 is: 11,947.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.57 : 20,629.13 = 8,654.73 : x
  2. Step 2: Convert to fraction form
    14,943.57/20,629.13 = 8,654.73/x
  3. Step 3: Cross multiply
    14,943.57x = 20,629.13 × 8,654.73
  4. Step 4: Simplify right side
    14,943.57x = 178,539,507.01
  5. Step 5: Solve for x
    x = 178,539,507.01/14,943.57
  6. Step 6: Final answer
    x = 11,947.58

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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.