Home / 12,106.92-18,136.08-8,826.96

Finding the Fourth Proportional to 12,106.92, 18,136.08 and 8,826.96

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Solution

The fourth proportional to 12,106.92, 18,136.08 and 8,826.96 is: 13,222.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106.92 : 18,136.08 = 8,826.96 : x
  2. Step 2: Convert to fraction form
    12,106.92/18,136.08 = 8,826.96/x
  3. Step 3: Cross multiply
    12,106.92x = 18,136.08 × 8,826.96
  4. Step 4: Simplify right side
    12,106.92x = 160,086,452.72
  5. Step 5: Solve for x
    x = 160,086,452.72/12,106.92
  6. Step 6: Final answer
    x = 13,222.72

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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.