Home / 10,198.44-15,288.75-3,954.15

Finding the Fourth Proportional to 10,198.44, 15,288.75 and 3,954.15

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Solution

The fourth proportional to 10,198.44, 15,288.75 and 3,954.15 is: 5,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.44 : 15,288.75 = 3,954.15 : x
  2. Step 2: Convert to fraction form
    10,198.44/15,288.75 = 3,954.15/x
  3. Step 3: Cross multiply
    10,198.44x = 15,288.75 × 3,954.15
  4. Step 4: Simplify right side
    10,198.44x = 60,454,010.81
  5. Step 5: Solve for x
    x = 60,454,010.81/10,198.44
  6. Step 6: Final answer
    x = 5,927.77

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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.