Home / 11,311.58-16,968.99-3,521.18

Finding the Fourth Proportional to 11,311.58, 16,968.99 and 3,521.18

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Solution

The fourth proportional to 11,311.58, 16,968.99 and 3,521.18 is: 5,282.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.58 : 16,968.99 = 3,521.18 : x
  2. Step 2: Convert to fraction form
    11,311.58/16,968.99 = 3,521.18/x
  3. Step 3: Cross multiply
    11,311.58x = 16,968.99 × 3,521.18
  4. Step 4: Simplify right side
    11,311.58x = 59,750,868.21
  5. Step 5: Solve for x
    x = 59,750,868.21/11,311.58
  6. Step 6: Final answer
    x = 5,282.27

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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.