Home / 14,002.25-21,003.78-3,614

Finding the Fourth Proportional to 14,002.25, 21,003.78 and 3,614

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Solution

The fourth proportional to 14,002.25, 21,003.78 and 3,614 is: 5,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.25 : 21,003.78 = 3,614 : x
  2. Step 2: Convert to fraction form
    14,002.25/21,003.78 = 3,614/x
  3. Step 3: Cross multiply
    14,002.25x = 21,003.78 × 3,614
  4. Step 4: Simplify right side
    14,002.25x = 75,907,660.92
  5. Step 5: Solve for x
    x = 75,907,660.92/14,002.25
  6. Step 6: Final answer
    x = 5,421.10

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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.