Home / 21,976.80-32,964.14-7,183.76

Finding the Fourth Proportional to 21,976.80, 32,964.14 and 7,183.76

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Solution

The fourth proportional to 21,976.80, 32,964.14 and 7,183.76 is: 10,775.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,976.80 : 32,964.14 = 7,183.76 : x
  2. Step 2: Convert to fraction form
    21,976.80/32,964.14 = 7,183.76/x
  3. Step 3: Cross multiply
    21,976.80x = 32,964.14 × 7,183.76
  4. Step 4: Simplify right side
    21,976.80x = 236,806,470.37
  5. Step 5: Solve for x
    x = 236,806,470.37/21,976.80
  6. Step 6: Final answer
    x = 10,775.29

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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.