Home / 11,170.09-16,729.61-5,330.80

Finding the Fourth Proportional to 11,170.09, 16,729.61 and 5,330.80

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Solution

The fourth proportional to 11,170.09, 16,729.61 and 5,330.80 is: 7,984.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.09 : 16,729.61 = 5,330.80 : x
  2. Step 2: Convert to fraction form
    11,170.09/16,729.61 = 5,330.80/x
  3. Step 3: Cross multiply
    11,170.09x = 16,729.61 × 5,330.80
  4. Step 4: Simplify right side
    11,170.09x = 89,182,176.49
  5. Step 5: Solve for x
    x = 89,182,176.49/11,170.09
  6. Step 6: Final answer
    x = 7,984.02

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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.