Home / 12,849.89-17,732.96-7,544.79

Finding the Fourth Proportional to 12,849.89, 17,732.96 and 7,544.79

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Solution

The fourth proportional to 12,849.89, 17,732.96 and 7,544.79 is: 10,411.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.89 : 17,732.96 = 7,544.79 : x
  2. Step 2: Convert to fraction form
    12,849.89/17,732.96 = 7,544.79/x
  3. Step 3: Cross multiply
    12,849.89x = 17,732.96 × 7,544.79
  4. Step 4: Simplify right side
    12,849.89x = 133,791,478.14
  5. Step 5: Solve for x
    x = 133,791,478.14/12,849.89
  6. Step 6: Final answer
    x = 10,411.88

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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.