Home / 21,476.88-32,226.84-9,162

Finding the Fourth Proportional to 21,476.88, 32,226.84 and 9,162

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Solution

The fourth proportional to 21,476.88, 32,226.84 and 9,162 is: 13,747.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.88 : 32,226.84 = 9,162 : x
  2. Step 2: Convert to fraction form
    21,476.88/32,226.84 = 9,162/x
  3. Step 3: Cross multiply
    21,476.88x = 32,226.84 × 9,162
  4. Step 4: Simplify right side
    21,476.88x = 295,262,308.08
  5. Step 5: Solve for x
    x = 295,262,308.08/21,476.88
  6. Step 6: Final answer
    x = 13,747.91

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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.