Home / 19,849.76-29,786.33-7,378.47

Finding the Fourth Proportional to 19,849.76, 29,786.33 and 7,378.47

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Solution

The fourth proportional to 19,849.76, 29,786.33 and 7,378.47 is: 11,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,849.76 : 29,786.33 = 7,378.47 : x
  2. Step 2: Convert to fraction form
    19,849.76/29,786.33 = 7,378.47/x
  3. Step 3: Cross multiply
    19,849.76x = 29,786.33 × 7,378.47
  4. Step 4: Simplify right side
    19,849.76x = 219,777,476.99
  5. Step 5: Solve for x
    x = 219,777,476.99/19,849.76
  6. Step 6: Final answer
    x = 11,072.05

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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.