Home / 20,285.07-27,994.91-11,673.89

Finding the Fourth Proportional to 20,285.07, 27,994.91 and 11,673.89

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Solution

The fourth proportional to 20,285.07, 27,994.91 and 11,673.89 is: 16,110.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,285.07 : 27,994.91 = 11,673.89 : x
  2. Step 2: Convert to fraction form
    20,285.07/27,994.91 = 11,673.89/x
  3. Step 3: Cross multiply
    20,285.07x = 27,994.91 × 11,673.89
  4. Step 4: Simplify right side
    20,285.07x = 326,809,499.90
  5. Step 5: Solve for x
    x = 326,809,499.90/20,285.07
  6. Step 6: Final answer
    x = 16,110.84

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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.