Home / 10,192.68-15,289.43-3,172.82

Finding the Fourth Proportional to 10,192.68, 15,289.43 and 3,172.82

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Solution

The fourth proportional to 10,192.68, 15,289.43 and 3,172.82 is: 4,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.68 : 15,289.43 = 3,172.82 : x
  2. Step 2: Convert to fraction form
    10,192.68/15,289.43 = 3,172.82/x
  3. Step 3: Cross multiply
    10,192.68x = 15,289.43 × 3,172.82
  4. Step 4: Simplify right side
    10,192.68x = 48,510,516.98
  5. Step 5: Solve for x
    x = 48,510,516.98/10,192.68
  6. Step 6: Final answer
    x = 4,759.35

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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.