Home / 12,453.54-18,687.66-5,057.43

Finding the Fourth Proportional to 12,453.54, 18,687.66 and 5,057.43

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Solution

The fourth proportional to 12,453.54, 18,687.66 and 5,057.43 is: 7,589.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453.54 : 18,687.66 = 5,057.43 : x
  2. Step 2: Convert to fraction form
    12,453.54/18,687.66 = 5,057.43/x
  3. Step 3: Cross multiply
    12,453.54x = 18,687.66 × 5,057.43
  4. Step 4: Simplify right side
    12,453.54x = 94,511,532.31
  5. Step 5: Solve for x
    x = 94,511,532.31/12,453.54
  6. Step 6: Final answer
    x = 7,589.13

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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.