Home / 12,351.28-18,530.04-3,586

Finding the Fourth Proportional to 12,351.28, 18,530.04 and 3,586

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Solution

The fourth proportional to 12,351.28, 18,530.04 and 3,586 is: 5,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.28 : 18,530.04 = 3,586 : x
  2. Step 2: Convert to fraction form
    12,351.28/18,530.04 = 3,586/x
  3. Step 3: Cross multiply
    12,351.28x = 18,530.04 × 3,586
  4. Step 4: Simplify right side
    12,351.28x = 66,448,723.44
  5. Step 5: Solve for x
    x = 66,448,723.44/12,351.28
  6. Step 6: Final answer
    x = 5,379.91

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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.