Home / 12,553.25-18,833.18-3,788.42

Finding the Fourth Proportional to 12,553.25, 18,833.18 and 3,788.42

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Solution

The fourth proportional to 12,553.25, 18,833.18 and 3,788.42 is: 5,683.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.25 : 18,833.18 = 3,788.42 : x
  2. Step 2: Convert to fraction form
    12,553.25/18,833.18 = 3,788.42/x
  3. Step 3: Cross multiply
    12,553.25x = 18,833.18 × 3,788.42
  4. Step 4: Simplify right side
    12,553.25x = 71,347,882.67
  5. Step 5: Solve for x
    x = 71,347,882.67/12,553.25
  6. Step 6: Final answer
    x = 5,683.62

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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.