Home / 19,160.74-28,741.24-6,680.73

Finding the Fourth Proportional to 19,160.74, 28,741.24 and 6,680.73

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Solution

The fourth proportional to 19,160.74, 28,741.24 and 6,680.73 is: 10,021.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160.74 : 28,741.24 = 6,680.73 : x
  2. Step 2: Convert to fraction form
    19,160.74/28,741.24 = 6,680.73/x
  3. Step 3: Cross multiply
    19,160.74x = 28,741.24 × 6,680.73
  4. Step 4: Simplify right side
    19,160.74x = 192,012,464.31
  5. Step 5: Solve for x
    x = 192,012,464.31/19,160.74
  6. Step 6: Final answer
    x = 10,021.14

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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.