Home / 20,166.29-27,829.37-11,213.27

Finding the Fourth Proportional to 20,166.29, 27,829.37 and 11,213.27

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Solution

The fourth proportional to 20,166.29, 27,829.37 and 11,213.27 is: 15,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166.29 : 27,829.37 = 11,213.27 : x
  2. Step 2: Convert to fraction form
    20,166.29/27,829.37 = 11,213.27/x
  3. Step 3: Cross multiply
    20,166.29x = 27,829.37 × 11,213.27
  4. Step 4: Simplify right side
    20,166.29x = 312,058,044.53
  5. Step 5: Solve for x
    x = 312,058,044.53/20,166.29
  6. Step 6: Final answer
    x = 15,474.25

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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.