Home / 10,618.14-15,930.09-3,222.84

Finding the Fourth Proportional to 10,618.14, 15,930.09 and 3,222.84

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Solution

The fourth proportional to 10,618.14, 15,930.09 and 3,222.84 is: 4,835.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.14 : 15,930.09 = 3,222.84 : x
  2. Step 2: Convert to fraction form
    10,618.14/15,930.09 = 3,222.84/x
  3. Step 3: Cross multiply
    10,618.14x = 15,930.09 × 3,222.84
  4. Step 4: Simplify right side
    10,618.14x = 51,340,131.26
  5. Step 5: Solve for x
    x = 51,340,131.26/10,618.14
  6. Step 6: Final answer
    x = 4,835.13

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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.