Home / 10,132.98-15,198.33-2,738.19

Finding the Fourth Proportional to 10,132.98, 15,198.33 and 2,738.19

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Solution

The fourth proportional to 10,132.98, 15,198.33 and 2,738.19 is: 4,106.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.98 : 15,198.33 = 2,738.19 : x
  2. Step 2: Convert to fraction form
    10,132.98/15,198.33 = 2,738.19/x
  3. Step 3: Cross multiply
    10,132.98x = 15,198.33 × 2,738.19
  4. Step 4: Simplify right side
    10,132.98x = 41,615,915.22
  5. Step 5: Solve for x
    x = 41,615,915.22/10,132.98
  6. Step 6: Final answer
    x = 4,106.98

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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.