Home / 12,769.73-19,148.01-5,743.74

Finding the Fourth Proportional to 12,769.73, 19,148.01 and 5,743.74

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Solution

The fourth proportional to 12,769.73, 19,148.01 and 5,743.74 is: 8,612.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769.73 : 19,148.01 = 5,743.74 : x
  2. Step 2: Convert to fraction form
    12,769.73/19,148.01 = 5,743.74/x
  3. Step 3: Cross multiply
    12,769.73x = 19,148.01 × 5,743.74
  4. Step 4: Simplify right side
    12,769.73x = 109,981,241.22
  5. Step 5: Solve for x
    x = 109,981,241.22/12,769.73
  6. Step 6: Final answer
    x = 8,612.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.