Home / 19,291.95-28,940.07-6,141.27

Finding the Fourth Proportional to 19,291.95, 28,940.07 and 6,141.27

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Solution

The fourth proportional to 19,291.95, 28,940.07 and 6,141.27 is: 9,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.95 : 28,940.07 = 6,141.27 : x
  2. Step 2: Convert to fraction form
    19,291.95/28,940.07 = 6,141.27/x
  3. Step 3: Cross multiply
    19,291.95x = 28,940.07 × 6,141.27
  4. Step 4: Simplify right side
    19,291.95x = 177,728,783.69
  5. Step 5: Solve for x
    x = 177,728,783.69/19,291.95
  6. Step 6: Final answer
    x = 9,212.59

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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.