Home / 14,344.04-21,516-3,815.12

Finding the Fourth Proportional to 14,344.04, 21,516 and 3,815.12

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Solution

The fourth proportional to 14,344.04, 21,516 and 3,815.12 is: 5,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,344.04 : 21,516 = 3,815.12 : x
  2. Step 2: Convert to fraction form
    14,344.04/21,516 = 3,815.12/x
  3. Step 3: Cross multiply
    14,344.04x = 21,516 × 3,815.12
  4. Step 4: Simplify right side
    14,344.04x = 82,086,121.92
  5. Step 5: Solve for x
    x = 82,086,121.92/14,344.04
  6. Step 6: Final answer
    x = 5,722.66

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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.