Home / 10,213.04-15,316.36-3,286

Finding the Fourth Proportional to 10,213.04, 15,316.36 and 3,286

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Solution

The fourth proportional to 10,213.04, 15,316.36 and 3,286 is: 4,927.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.04 : 15,316.36 = 3,286 : x
  2. Step 2: Convert to fraction form
    10,213.04/15,316.36 = 3,286/x
  3. Step 3: Cross multiply
    10,213.04x = 15,316.36 × 3,286
  4. Step 4: Simplify right side
    10,213.04x = 50,329,558.96
  5. Step 5: Solve for x
    x = 50,329,558.96/10,213.04
  6. Step 6: Final answer
    x = 4,927.97

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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.