Home / 11,638.18-17,450.89-4,611.08

Finding the Fourth Proportional to 11,638.18, 17,450.89 and 4,611.08

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Solution

The fourth proportional to 11,638.18, 17,450.89 and 4,611.08 is: 6,914.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.18 : 17,450.89 = 4,611.08 : x
  2. Step 2: Convert to fraction form
    11,638.18/17,450.89 = 4,611.08/x
  3. Step 3: Cross multiply
    11,638.18x = 17,450.89 × 4,611.08
  4. Step 4: Simplify right side
    11,638.18x = 80,467,409.74
  5. Step 5: Solve for x
    x = 80,467,409.74/11,638.18
  6. Step 6: Final answer
    x = 6,914.09

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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.