Home / 20,230.68-27,918.59-11,734.77

Finding the Fourth Proportional to 20,230.68, 27,918.59 and 11,734.77

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Solution

The fourth proportional to 20,230.68, 27,918.59 and 11,734.77 is: 16,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.68 : 27,918.59 = 11,734.77 : x
  2. Step 2: Convert to fraction form
    20,230.68/27,918.59 = 11,734.77/x
  3. Step 3: Cross multiply
    20,230.68x = 27,918.59 × 11,734.77
  4. Step 4: Simplify right side
    20,230.68x = 327,618,173.70
  5. Step 5: Solve for x
    x = 327,618,173.70/20,230.68
  6. Step 6: Final answer
    x = 16,194.13

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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.