Home / 14,231.13-21,346.69-3,842.88

Finding the Fourth Proportional to 14,231.13, 21,346.69 and 3,842.88

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Solution

The fourth proportional to 14,231.13, 21,346.69 and 3,842.88 is: 5,764.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.13 : 21,346.69 = 3,842.88 : x
  2. Step 2: Convert to fraction form
    14,231.13/21,346.69 = 3,842.88/x
  3. Step 3: Cross multiply
    14,231.13x = 21,346.69 × 3,842.88
  4. Step 4: Simplify right side
    14,231.13x = 82,032,768.07
  5. Step 5: Solve for x
    x = 82,032,768.07/14,231.13
  6. Step 6: Final answer
    x = 5,764.32

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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.