Home / 14,267.64-21,397.14-3,878.04

Finding the Fourth Proportional to 14,267.64, 21,397.14 and 3,878.04

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Solution

The fourth proportional to 14,267.64, 21,397.14 and 3,878.04 is: 5,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.64 : 21,397.14 = 3,878.04 : x
  2. Step 2: Convert to fraction form
    14,267.64/21,397.14 = 3,878.04/x
  3. Step 3: Cross multiply
    14,267.64x = 21,397.14 × 3,878.04
  4. Step 4: Simplify right side
    14,267.64x = 82,978,964.81
  5. Step 5: Solve for x
    x = 82,978,964.81/14,267.64
  6. Step 6: Final answer
    x = 5,815.89

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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.