Home / 11,245.74-16,869.42-3,240.18

Finding the Fourth Proportional to 11,245.74, 16,869.42 and 3,240.18

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Solution

The fourth proportional to 11,245.74, 16,869.42 and 3,240.18 is: 4,860.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.74 : 16,869.42 = 3,240.18 : x
  2. Step 2: Convert to fraction form
    11,245.74/16,869.42 = 3,240.18/x
  3. Step 3: Cross multiply
    11,245.74x = 16,869.42 × 3,240.18
  4. Step 4: Simplify right side
    11,245.74x = 54,659,957.30
  5. Step 5: Solve for x
    x = 54,659,957.30/11,245.74
  6. Step 6: Final answer
    x = 4,860.50

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Double scale
Find fourth proportional to 11,246.74, 16,870.92 and 3,241.18
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.