Home / 21,660.54-32,503.29-9,179.58

Finding the Fourth Proportional to 21,660.54, 32,503.29 and 9,179.58

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Solution

The fourth proportional to 21,660.54, 32,503.29 and 9,179.58 is: 13,774.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,660.54 : 32,503.29 = 9,179.58 : x
  2. Step 2: Convert to fraction form
    21,660.54/32,503.29 = 9,179.58/x
  3. Step 3: Cross multiply
    21,660.54x = 32,503.29 × 9,179.58
  4. Step 4: Simplify right side
    21,660.54x = 298,366,550.82
  5. Step 5: Solve for x
    x = 298,366,550.82/21,660.54
  6. Step 6: Final answer
    x = 13,774.66

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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.