Home / 11,780.28-17,673.60-3,884.28

Finding the Fourth Proportional to 11,780.28, 17,673.60 and 3,884.28

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Solution

The fourth proportional to 11,780.28, 17,673.60 and 3,884.28 is: 5,827.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.28 : 17,673.60 = 3,884.28 : x
  2. Step 2: Convert to fraction form
    11,780.28/17,673.60 = 3,884.28/x
  3. Step 3: Cross multiply
    11,780.28x = 17,673.60 × 3,884.28
  4. Step 4: Simplify right side
    11,780.28x = 68,649,211.01
  5. Step 5: Solve for x
    x = 68,649,211.01/11,780.28
  6. Step 6: Final answer
    x = 5,827.47

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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.