Home / 19,769.94-29,660.08-5,918.94

Finding the Fourth Proportional to 19,769.94, 29,660.08 and 5,918.94

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Solution

The fourth proportional to 19,769.94, 29,660.08 and 5,918.94 is: 8,879.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.94 : 29,660.08 = 5,918.94 : x
  2. Step 2: Convert to fraction form
    19,769.94/29,660.08 = 5,918.94/x
  3. Step 3: Cross multiply
    19,769.94x = 29,660.08 × 5,918.94
  4. Step 4: Simplify right side
    19,769.94x = 175,556,233.92
  5. Step 5: Solve for x
    x = 175,556,233.92/19,769.94
  6. Step 6: Final answer
    x = 8,879.96

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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.