Home / 12,254.83-18,383.94-3,932.89

Finding the Fourth Proportional to 12,254.83, 18,383.94 and 3,932.89

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Solution

The fourth proportional to 12,254.83, 18,383.94 and 3,932.89 is: 5,899.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.83 : 18,383.94 = 3,932.89 : x
  2. Step 2: Convert to fraction form
    12,254.83/18,383.94 = 3,932.89/x
  3. Step 3: Cross multiply
    12,254.83x = 18,383.94 × 3,932.89
  4. Step 4: Simplify right side
    12,254.83x = 72,302,013.79
  5. Step 5: Solve for x
    x = 72,302,013.79/12,254.83
  6. Step 6: Final answer
    x = 5,899.88

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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.