Home / 12,200.18-16,836.24-6,611.18

Finding the Fourth Proportional to 12,200.18, 16,836.24 and 6,611.18

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Solution

The fourth proportional to 12,200.18, 16,836.24 and 6,611.18 is: 9,123.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200.18 : 16,836.24 = 6,611.18 : x
  2. Step 2: Convert to fraction form
    12,200.18/16,836.24 = 6,611.18/x
  3. Step 3: Cross multiply
    12,200.18x = 16,836.24 × 6,611.18
  4. Step 4: Simplify right side
    12,200.18x = 111,307,328.98
  5. Step 5: Solve for x
    x = 111,307,328.98/12,200.18
  6. Step 6: Final answer
    x = 9,123.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.