Home / 21,057.70-29,059.64-11,626.33

Finding the Fourth Proportional to 21,057.70, 29,059.64 and 11,626.33

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Solution

The fourth proportional to 21,057.70, 29,059.64 and 11,626.33 is: 16,044.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057.70 : 29,059.64 = 11,626.33 : x
  2. Step 2: Convert to fraction form
    21,057.70/29,059.64 = 11,626.33/x
  3. Step 3: Cross multiply
    21,057.70x = 29,059.64 × 11,626.33
  4. Step 4: Simplify right side
    21,057.70x = 337,856,964.32
  5. Step 5: Solve for x
    x = 337,856,964.32/21,057.70
  6. Step 6: Final answer
    x = 16,044.34

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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.