Home / 19,181.48-28,777.62-7,498.04

Finding the Fourth Proportional to 19,181.48, 28,777.62 and 7,498.04

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Solution

The fourth proportional to 19,181.48, 28,777.62 and 7,498.04 is: 11,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181.48 : 28,777.62 = 7,498.04 : x
  2. Step 2: Convert to fraction form
    19,181.48/28,777.62 = 7,498.04/x
  3. Step 3: Cross multiply
    19,181.48x = 28,777.62 × 7,498.04
  4. Step 4: Simplify right side
    19,181.48x = 215,775,745.86
  5. Step 5: Solve for x
    x = 215,775,745.86/19,181.48
  6. Step 6: Final answer
    x = 11,249.17

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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.