Home / 17,745.14-26,617.55-12,181.52

Finding the Fourth Proportional to 17,745.14, 26,617.55 and 12,181.52

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Solution

The fourth proportional to 17,745.14, 26,617.55 and 12,181.52 is: 18,272.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.14 : 26,617.55 = 12,181.52 : x
  2. Step 2: Convert to fraction form
    17,745.14/26,617.55 = 12,181.52/x
  3. Step 3: Cross multiply
    17,745.14x = 26,617.55 × 12,181.52
  4. Step 4: Simplify right side
    17,745.14x = 324,242,223.31
  5. Step 5: Solve for x
    x = 324,242,223.31/17,745.14
  6. Step 6: Final answer
    x = 18,272.17

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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.