Home / 11,255.40-16,883.10-3,860.10

Finding the Fourth Proportional to 11,255.40, 16,883.10 and 3,860.10

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Solution

The fourth proportional to 11,255.40, 16,883.10 and 3,860.10 is: 5,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.40 : 16,883.10 = 3,860.10 : x
  2. Step 2: Convert to fraction form
    11,255.40/16,883.10 = 3,860.10/x
  3. Step 3: Cross multiply
    11,255.40x = 16,883.10 × 3,860.10
  4. Step 4: Simplify right side
    11,255.40x = 65,170,454.31
  5. Step 5: Solve for x
    x = 65,170,454.31/11,255.40
  6. Step 6: Final answer
    x = 5,790.15

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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.