Home / 12,537.89-18,808.66-3,773.49

Finding the Fourth Proportional to 12,537.89, 18,808.66 and 3,773.49

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Solution

The fourth proportional to 12,537.89, 18,808.66 and 3,773.49 is: 5,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.89 : 18,808.66 = 3,773.49 : x
  2. Step 2: Convert to fraction form
    12,537.89/18,808.66 = 3,773.49/x
  3. Step 3: Cross multiply
    12,537.89x = 18,808.66 × 3,773.49
  4. Step 4: Simplify right side
    12,537.89x = 70,974,203.38
  5. Step 5: Solve for x
    x = 70,974,203.38/12,537.89
  6. Step 6: Final answer
    x = 5,660.78

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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.