Home / 19,177.50-28,766.06-4,945.92

Finding the Fourth Proportional to 19,177.50, 28,766.06 and 4,945.92

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Solution

The fourth proportional to 19,177.50, 28,766.06 and 4,945.92 is: 7,418.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.50 : 28,766.06 = 4,945.92 : x
  2. Step 2: Convert to fraction form
    19,177.50/28,766.06 = 4,945.92/x
  3. Step 3: Cross multiply
    19,177.50x = 28,766.06 × 4,945.92
  4. Step 4: Simplify right side
    19,177.50x = 142,274,631.48
  5. Step 5: Solve for x
    x = 142,274,631.48/19,177.50
  6. Step 6: Final answer
    x = 7,418.83

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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.