Home / 11,487.57-17,231.36-3,696.99

Finding the Fourth Proportional to 11,487.57, 17,231.36 and 3,696.99

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Solution

The fourth proportional to 11,487.57, 17,231.36 and 3,696.99 is: 5,545.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.57 : 17,231.36 = 3,696.99 : x
  2. Step 2: Convert to fraction form
    11,487.57/17,231.36 = 3,696.99/x
  3. Step 3: Cross multiply
    11,487.57x = 17,231.36 × 3,696.99
  4. Step 4: Simplify right side
    11,487.57x = 63,704,147.12
  5. Step 5: Solve for x
    x = 63,704,147.12/11,487.57
  6. Step 6: Final answer
    x = 5,545.49

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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.