Home / 10,218.62-15,324.60-3,291.50

Finding the Fourth Proportional to 10,218.62, 15,324.60 and 3,291.50

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Solution

The fourth proportional to 10,218.62, 15,324.60 and 3,291.50 is: 4,936.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.62 : 15,324.60 = 3,291.50 : x
  2. Step 2: Convert to fraction form
    10,218.62/15,324.60 = 3,291.50/x
  3. Step 3: Cross multiply
    10,218.62x = 15,324.60 × 3,291.50
  4. Step 4: Simplify right side
    10,218.62x = 50,440,920.90
  5. Step 5: Solve for x
    x = 50,440,920.90/10,218.62
  6. Step 6: Final answer
    x = 4,936.18

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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.