Home / 19,611.75-27,064.22-11,229.87

Finding the Fourth Proportional to 19,611.75, 27,064.22 and 11,229.87

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Solution

The fourth proportional to 19,611.75, 27,064.22 and 11,229.87 is: 15,497.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.75 : 27,064.22 = 11,229.87 : x
  2. Step 2: Convert to fraction form
    19,611.75/27,064.22 = 11,229.87/x
  3. Step 3: Cross multiply
    19,611.75x = 27,064.22 × 11,229.87
  4. Step 4: Simplify right side
    19,611.75x = 303,927,616.10
  5. Step 5: Solve for x
    x = 303,927,616.10/19,611.75
  6. Step 6: Final answer
    x = 15,497.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.