Home / 12,006.62-18,012.59-4,611.08

Finding the Fourth Proportional to 12,006.62, 18,012.59 and 4,611.08

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Solution

The fourth proportional to 12,006.62, 18,012.59 and 4,611.08 is: 6,917.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006.62 : 18,012.59 = 4,611.08 : x
  2. Step 2: Convert to fraction form
    12,006.62/18,012.59 = 4,611.08/x
  3. Step 3: Cross multiply
    12,006.62x = 18,012.59 × 4,611.08
  4. Step 4: Simplify right side
    12,006.62x = 83,057,380.38
  5. Step 5: Solve for x
    x = 83,057,380.38/12,006.62
  6. Step 6: Final answer
    x = 6,917.64

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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.