Home / 10,509.27-15,769.40-4,273.89

Finding the Fourth Proportional to 10,509.27, 15,769.40 and 4,273.89

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Solution

The fourth proportional to 10,509.27, 15,769.40 and 4,273.89 is: 6,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.27 : 15,769.40 = 4,273.89 : x
  2. Step 2: Convert to fraction form
    10,509.27/15,769.40 = 4,273.89/x
  3. Step 3: Cross multiply
    10,509.27x = 15,769.40 × 4,273.89
  4. Step 4: Simplify right side
    10,509.27x = 67,396,659.60
  5. Step 5: Solve for x
    x = 67,396,659.60/10,509.27
  6. Step 6: Final answer
    x = 6,413.07

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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.