Home / 11,625.28-16,042.66-6,320.05

Finding the Fourth Proportional to 11,625.28, 16,042.66 and 6,320.05

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Solution

The fourth proportional to 11,625.28, 16,042.66 and 6,320.05 is: 8,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.28 : 16,042.66 = 6,320.05 : x
  2. Step 2: Convert to fraction form
    11,625.28/16,042.66 = 6,320.05/x
  3. Step 3: Cross multiply
    11,625.28x = 16,042.66 × 6,320.05
  4. Step 4: Simplify right side
    11,625.28x = 101,390,413.33
  5. Step 5: Solve for x
    x = 101,390,413.33/11,625.28
  6. Step 6: Final answer
    x = 8,721.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.