Home / 11,173.52-16,761.76-3,780.09

Finding the Fourth Proportional to 11,173.52, 16,761.76 and 3,780.09

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Solution

The fourth proportional to 11,173.52, 16,761.76 and 3,780.09 is: 5,670.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.52 : 16,761.76 = 3,780.09 : x
  2. Step 2: Convert to fraction form
    11,173.52/16,761.76 = 3,780.09/x
  3. Step 3: Cross multiply
    11,173.52x = 16,761.76 × 3,780.09
  4. Step 4: Simplify right side
    11,173.52x = 63,361,009.68
  5. Step 5: Solve for x
    x = 63,361,009.68/11,173.52
  6. Step 6: Final answer
    x = 5,670.64

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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.