Home / 11,180.40-16,774.20-7,486.80

Finding the Fourth Proportional to 11,180.40, 16,774.20 and 7,486.80

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Solution

The fourth proportional to 11,180.40, 16,774.20 and 7,486.80 is: 11,232.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.40 : 16,774.20 = 7,486.80 : x
  2. Step 2: Convert to fraction form
    11,180.40/16,774.20 = 7,486.80/x
  3. Step 3: Cross multiply
    11,180.40x = 16,774.20 × 7,486.80
  4. Step 4: Simplify right side
    11,180.40x = 125,585,080.56
  5. Step 5: Solve for x
    x = 125,585,080.56/11,180.40
  6. Step 6: Final answer
    x = 11,232.61

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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.