Home / 21,057.74-29,059.69-11,626.38

Finding the Fourth Proportional to 21,057.74, 29,059.69 and 11,626.38

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Solution

The fourth proportional to 21,057.74, 29,059.69 and 11,626.38 is: 16,044.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057.74 : 29,059.69 = 11,626.38 : x
  2. Step 2: Convert to fraction form
    21,057.74/29,059.69 = 11,626.38/x
  3. Step 3: Cross multiply
    21,057.74x = 29,059.69 × 11,626.38
  4. Step 4: Simplify right side
    21,057.74x = 337,858,998.62
  5. Step 5: Solve for x
    x = 337,858,998.62/21,057.74
  6. Step 6: Final answer
    x = 16,044.41

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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.