Home / 21,057.51-29,057.94-11,626.27

Finding the Fourth Proportional to 21,057.51, 29,057.94 and 11,626.27

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Solution

The fourth proportional to 21,057.51, 29,057.94 and 11,626.27 is: 16,043.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057.51 : 29,057.94 = 11,626.27 : x
  2. Step 2: Convert to fraction form
    21,057.51/29,057.94 = 11,626.27/x
  3. Step 3: Cross multiply
    21,057.51x = 29,057.94 × 11,626.27
  4. Step 4: Simplify right side
    21,057.51x = 337,835,456.08
  5. Step 5: Solve for x
    x = 337,835,456.08/21,057.51
  6. Step 6: Final answer
    x = 16,043.47

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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.