Home / 11,249.72-16,876.40-4,230.28

Finding the Fourth Proportional to 11,249.72, 16,876.40 and 4,230.28

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Solution

The fourth proportional to 11,249.72, 16,876.40 and 4,230.28 is: 6,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.72 : 16,876.40 = 4,230.28 : x
  2. Step 2: Convert to fraction form
    11,249.72/16,876.40 = 4,230.28/x
  3. Step 3: Cross multiply
    11,249.72x = 16,876.40 × 4,230.28
  4. Step 4: Simplify right side
    11,249.72x = 71,391,897.39
  5. Step 5: Solve for x
    x = 71,391,897.39/11,249.72
  6. Step 6: Final answer
    x = 6,346.10

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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.