Home / 14,265.04-21,399.16-3,876.88

Finding the Fourth Proportional to 14,265.04, 21,399.16 and 3,876.88

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Solution

The fourth proportional to 14,265.04, 21,399.16 and 3,876.88 is: 5,815.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.04 : 21,399.16 = 3,876.88 : x
  2. Step 2: Convert to fraction form
    14,265.04/21,399.16 = 3,876.88/x
  3. Step 3: Cross multiply
    14,265.04x = 21,399.16 × 3,876.88
  4. Step 4: Simplify right side
    14,265.04x = 82,961,975.42
  5. Step 5: Solve for x
    x = 82,961,975.42/14,265.04
  6. Step 6: Final answer
    x = 5,815.75

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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.