Home / 10,192.50-15,290.94-3,172.37

Finding the Fourth Proportional to 10,192.50, 15,290.94 and 3,172.37

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Solution

The fourth proportional to 10,192.50, 15,290.94 and 3,172.37 is: 4,759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.50 : 15,290.94 = 3,172.37 : x
  2. Step 2: Convert to fraction form
    10,192.50/15,290.94 = 3,172.37/x
  3. Step 3: Cross multiply
    10,192.50x = 15,290.94 × 3,172.37
  4. Step 4: Simplify right side
    10,192.50x = 48,508,454.77
  5. Step 5: Solve for x
    x = 48,508,454.77/10,192.50
  6. Step 6: Final answer
    x = 4,759.23

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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.