Home / 11,136.40-16,705.80-3,740.56

Finding the Fourth Proportional to 11,136.40, 16,705.80 and 3,740.56

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Solution

The fourth proportional to 11,136.40, 16,705.80 and 3,740.56 is: 5,611.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.40 : 16,705.80 = 3,740.56 : x
  2. Step 2: Convert to fraction form
    11,136.40/16,705.80 = 3,740.56/x
  3. Step 3: Cross multiply
    11,136.40x = 16,705.80 × 3,740.56
  4. Step 4: Simplify right side
    11,136.40x = 62,489,047.25
  5. Step 5: Solve for x
    x = 62,489,047.25/11,136.40
  6. Step 6: Final answer
    x = 5,611.24

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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.