Home / 12,257.42-18,383.09-3,492.41

Finding the Fourth Proportional to 12,257.42, 18,383.09 and 3,492.41

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Solution

The fourth proportional to 12,257.42, 18,383.09 and 3,492.41 is: 5,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257.42 : 18,383.09 = 3,492.41 : x
  2. Step 2: Convert to fraction form
    12,257.42/18,383.09 = 3,492.41/x
  3. Step 3: Cross multiply
    12,257.42x = 18,383.09 × 3,492.41
  4. Step 4: Simplify right side
    12,257.42x = 64,201,177.97
  5. Step 5: Solve for x
    x = 64,201,177.97/12,257.42
  6. Step 6: Final answer
    x = 5,237.74

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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.