Home / 11,240.21-16,858.42-4,122.98

Finding the Fourth Proportional to 11,240.21, 16,858.42 and 4,122.98

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Solution

The fourth proportional to 11,240.21, 16,858.42 and 4,122.98 is: 6,183.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.21 : 16,858.42 = 4,122.98 : x
  2. Step 2: Convert to fraction form
    11,240.21/16,858.42 = 4,122.98/x
  3. Step 3: Cross multiply
    11,240.21x = 16,858.42 × 4,122.98
  4. Step 4: Simplify right side
    11,240.21x = 69,506,823.58
  5. Step 5: Solve for x
    x = 69,506,823.58/11,240.21
  6. Step 6: Final answer
    x = 6,183.77

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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.