Home / 21,867.12-32,772.58-9,383.96

Finding the Fourth Proportional to 21,867.12, 32,772.58 and 9,383.96

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Solution

The fourth proportional to 21,867.12, 32,772.58 and 9,383.96 is: 14,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,867.12 : 32,772.58 = 9,383.96 : x
  2. Step 2: Convert to fraction form
    21,867.12/32,772.58 = 9,383.96/x
  3. Step 3: Cross multiply
    21,867.12x = 32,772.58 × 9,383.96
  4. Step 4: Simplify right side
    21,867.12x = 307,536,579.82
  5. Step 5: Solve for x
    x = 307,536,579.82/21,867.12
  6. Step 6: Final answer
    x = 14,063.88

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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.