Home / 10,198.67-15,293.88-3,955.39

Finding the Fourth Proportional to 10,198.67, 15,293.88 and 3,955.39

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Solution

The fourth proportional to 10,198.67, 15,293.88 and 3,955.39 is: 5,931.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.67 : 15,293.88 = 3,955.39 : x
  2. Step 2: Convert to fraction form
    10,198.67/15,293.88 = 3,955.39/x
  3. Step 3: Cross multiply
    10,198.67x = 15,293.88 × 3,955.39
  4. Step 4: Simplify right side
    10,198.67x = 60,493,260.01
  5. Step 5: Solve for x
    x = 60,493,260.01/10,198.67
  6. Step 6: Final answer
    x = 5,931.49

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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.