Home / 19,279.92-28,912.32-6,797.28

Finding the Fourth Proportional to 19,279.92, 28,912.32 and 6,797.28

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Solution

The fourth proportional to 19,279.92, 28,912.32 and 6,797.28 is: 10,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.92 : 28,912.32 = 6,797.28 : x
  2. Step 2: Convert to fraction form
    19,279.92/28,912.32 = 6,797.28/x
  3. Step 3: Cross multiply
    19,279.92x = 28,912.32 × 6,797.28
  4. Step 4: Simplify right side
    19,279.92x = 196,525,134.49
  5. Step 5: Solve for x
    x = 196,525,134.49/19,279.92
  6. Step 6: Final answer
    x = 10,193.25

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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.