Home / 10,198.40-15,297.66-2,803.64

Finding the Fourth Proportional to 10,198.40, 15,297.66 and 2,803.64

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Solution

The fourth proportional to 10,198.40, 15,297.66 and 2,803.64 is: 4,205.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.40 : 15,297.66 = 2,803.64 : x
  2. Step 2: Convert to fraction form
    10,198.40/15,297.66 = 2,803.64/x
  3. Step 3: Cross multiply
    10,198.40x = 15,297.66 × 2,803.64
  4. Step 4: Simplify right side
    10,198.40x = 42,889,054.99
  5. Step 5: Solve for x
    x = 42,889,054.99/10,198.40
  6. Step 6: Final answer
    x = 4,205.47

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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.