Home / 12,106.05-18,144.01-8,590.44

Finding the Fourth Proportional to 12,106.05, 18,144.01 and 8,590.44

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Solution

The fourth proportional to 12,106.05, 18,144.01 and 8,590.44 is: 12,874.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106.05 : 18,144.01 = 8,590.44 : x
  2. Step 2: Convert to fraction form
    12,106.05/18,144.01 = 8,590.44/x
  3. Step 3: Cross multiply
    12,106.05x = 18,144.01 × 8,590.44
  4. Step 4: Simplify right side
    12,106.05x = 155,865,029.26
  5. Step 5: Solve for x
    x = 155,865,029.26/12,106.05
  6. Step 6: Final answer
    x = 12,874.97

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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.