Home / 10,803.23-16,198.36-4,221.57

Finding the Fourth Proportional to 10,803.23, 16,198.36 and 4,221.57

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Solution

The fourth proportional to 10,803.23, 16,198.36 and 4,221.57 is: 6,329.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,803.23 : 16,198.36 = 4,221.57 : x
  2. Step 2: Convert to fraction form
    10,803.23/16,198.36 = 4,221.57/x
  3. Step 3: Cross multiply
    10,803.23x = 16,198.36 × 4,221.57
  4. Step 4: Simplify right side
    10,803.23x = 68,382,500.07
  5. Step 5: Solve for x
    x = 68,382,500.07/10,803.23
  6. Step 6: Final answer
    x = 6,329.82

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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.