Home / 20,166.39-27,829.04-11,669.90

Finding the Fourth Proportional to 20,166.39, 27,829.04 and 11,669.90

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Solution

The fourth proportional to 20,166.39, 27,829.04 and 11,669.90 is: 16,104.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166.39 : 27,829.04 = 11,669.90 : x
  2. Step 2: Convert to fraction form
    20,166.39/27,829.04 = 11,669.90/x
  3. Step 3: Cross multiply
    20,166.39x = 27,829.04 × 11,669.90
  4. Step 4: Simplify right side
    20,166.39x = 324,761,916.40
  5. Step 5: Solve for x
    x = 324,761,916.40/20,166.39
  6. Step 6: Final answer
    x = 16,104.12

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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.