Home / 10,079.91-15,119.06-6,371.33

Finding the Fourth Proportional to 10,079.91, 15,119.06 and 6,371.33

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Solution

The fourth proportional to 10,079.91, 15,119.06 and 6,371.33 is: 9,556.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.91 : 15,119.06 = 6,371.33 : x
  2. Step 2: Convert to fraction form
    10,079.91/15,119.06 = 6,371.33/x
  3. Step 3: Cross multiply
    10,079.91x = 15,119.06 × 6,371.33
  4. Step 4: Simplify right side
    10,079.91x = 96,328,413.10
  5. Step 5: Solve for x
    x = 96,328,413.10/10,079.91
  6. Step 6: Final answer
    x = 9,556.48

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1.5x scale

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.