Home / 18,249.06-25,181.82-13,471.53

Finding the Fourth Proportional to 18,249.06, 25,181.82 and 13,471.53

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Solution

The fourth proportional to 18,249.06, 25,181.82 and 13,471.53 is: 18,589.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.06 : 25,181.82 = 13,471.53 : x
  2. Step 2: Convert to fraction form
    18,249.06/25,181.82 = 13,471.53/x
  3. Step 3: Cross multiply
    18,249.06x = 25,181.82 × 13,471.53
  4. Step 4: Simplify right side
    18,249.06x = 339,237,643.58
  5. Step 5: Solve for x
    x = 339,237,643.58/18,249.06
  6. Step 6: Final answer
    x = 18,589.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.