Home / 11,122.84-16,685.30-4,102.57

Finding the Fourth Proportional to 11,122.84, 16,685.30 and 4,102.57

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Solution

The fourth proportional to 11,122.84, 16,685.30 and 4,102.57 is: 6,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.84 : 16,685.30 = 4,102.57 : x
  2. Step 2: Convert to fraction form
    11,122.84/16,685.30 = 4,102.57/x
  3. Step 3: Cross multiply
    11,122.84x = 16,685.30 × 4,102.57
  4. Step 4: Simplify right side
    11,122.84x = 68,452,611.22
  5. Step 5: Solve for x
    x = 68,452,611.22/11,122.84
  6. Step 6: Final answer
    x = 6,154.24

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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.