Home / 11,161.49-16,732.31-4,240.85

Finding the Fourth Proportional to 11,161.49, 16,732.31 and 4,240.85

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Solution

The fourth proportional to 11,161.49, 16,732.31 and 4,240.85 is: 6,357.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.49 : 16,732.31 = 4,240.85 : x
  2. Step 2: Convert to fraction form
    11,161.49/16,732.31 = 4,240.85/x
  3. Step 3: Cross multiply
    11,161.49x = 16,732.31 × 4,240.85
  4. Step 4: Simplify right side
    11,161.49x = 70,959,112.00
  5. Step 5: Solve for x
    x = 70,959,112.00/11,161.49
  6. Step 6: Final answer
    x = 6,357.50

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Half scale
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Double scale
Find fourth proportional to 11,162.49, 16,733.80 and 4,241.85
Similar ratio
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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.