Home / 11,923.89-17,885.84-4,132.77

Finding the Fourth Proportional to 11,923.89, 17,885.84 and 4,132.77

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Solution

The fourth proportional to 11,923.89, 17,885.84 and 4,132.77 is: 6,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.89 : 17,885.84 = 4,132.77 : x
  2. Step 2: Convert to fraction form
    11,923.89/17,885.84 = 4,132.77/x
  3. Step 3: Cross multiply
    11,923.89x = 17,885.84 × 4,132.77
  4. Step 4: Simplify right side
    11,923.89x = 73,918,042.31
  5. Step 5: Solve for x
    x = 73,918,042.31/11,923.89
  6. Step 6: Final answer
    x = 6,199.16

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.