Home / 10,200.08-15,299.39-2,803.97

Finding the Fourth Proportional to 10,200.08, 15,299.39 and 2,803.97

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Solution

The fourth proportional to 10,200.08, 15,299.39 and 2,803.97 is: 4,205.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.08 : 15,299.39 = 2,803.97 : x
  2. Step 2: Convert to fraction form
    10,200.08/15,299.39 = 2,803.97/x
  3. Step 3: Cross multiply
    10,200.08x = 15,299.39 × 2,803.97
  4. Step 4: Simplify right side
    10,200.08x = 42,898,940.06
  5. Step 5: Solve for x
    x = 42,898,940.06/10,200.08
  6. Step 6: Final answer
    x = 4,205.75

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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.