Home / 10,192.44-15,291.04-3,172.10

Finding the Fourth Proportional to 10,192.44, 15,291.04 and 3,172.10

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Solution

The fourth proportional to 10,192.44, 15,291.04 and 3,172.10 is: 4,758.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.44 : 15,291.04 = 3,172.10 : x
  2. Step 2: Convert to fraction form
    10,192.44/15,291.04 = 3,172.10/x
  3. Step 3: Cross multiply
    10,192.44x = 15,291.04 × 3,172.10
  4. Step 4: Simplify right side
    10,192.44x = 48,504,707.98
  5. Step 5: Solve for x
    x = 48,504,707.98/10,192.44
  6. Step 6: Final answer
    x = 4,758.89

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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.