Home / 19,174.84-28,743.69-9,819.26

Finding the Fourth Proportional to 19,174.84, 28,743.69 and 9,819.26

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Solution

The fourth proportional to 19,174.84, 28,743.69 and 9,819.26 is: 14,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.84 : 28,743.69 = 9,819.26 : x
  2. Step 2: Convert to fraction form
    19,174.84/28,743.69 = 9,819.26/x
  3. Step 3: Cross multiply
    19,174.84x = 28,743.69 × 9,819.26
  4. Step 4: Simplify right side
    19,174.84x = 282,241,765.47
  5. Step 5: Solve for x
    x = 282,241,765.47/19,174.84
  6. Step 6: Final answer
    x = 14,719.38

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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.