Home / 15,976.82-22,047.33-8,903.38

Finding the Fourth Proportional to 15,976.82, 22,047.33 and 8,903.38

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Solution

The fourth proportional to 15,976.82, 22,047.33 and 8,903.38 is: 12,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.82 : 22,047.33 = 8,903.38 : x
  2. Step 2: Convert to fraction form
    15,976.82/22,047.33 = 8,903.38/x
  3. Step 3: Cross multiply
    15,976.82x = 22,047.33 × 8,903.38
  4. Step 4: Simplify right side
    15,976.82x = 196,295,756.98
  5. Step 5: Solve for x
    x = 196,295,756.98/15,976.82
  6. Step 6: Final answer
    x = 12,286.28

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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.