Home / 11,122.89-16,678.95-4,106.21

Finding the Fourth Proportional to 11,122.89, 16,678.95 and 4,106.21

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Solution

The fourth proportional to 11,122.89, 16,678.95 and 4,106.21 is: 6,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.89 : 16,678.95 = 4,106.21 : x
  2. Step 2: Convert to fraction form
    11,122.89/16,678.95 = 4,106.21/x
  3. Step 3: Cross multiply
    11,122.89x = 16,678.95 × 4,106.21
  4. Step 4: Simplify right side
    11,122.89x = 68,487,187.88
  5. Step 5: Solve for x
    x = 68,487,187.88/11,122.89
  6. Step 6: Final answer
    x = 6,157.32

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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.