Home / 21,619.05-29,833.68-12,059.22

Finding the Fourth Proportional to 21,619.05, 29,833.68 and 12,059.22

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Solution

The fourth proportional to 21,619.05, 29,833.68 and 12,059.22 is: 16,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,619.05 : 29,833.68 = 12,059.22 : x
  2. Step 2: Convert to fraction form
    21,619.05/29,833.68 = 12,059.22/x
  3. Step 3: Cross multiply
    21,619.05x = 29,833.68 × 12,059.22
  4. Step 4: Simplify right side
    21,619.05x = 359,770,910.53
  5. Step 5: Solve for x
    x = 359,770,910.53/21,619.05
  6. Step 6: Final answer
    x = 16,641.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.