Home / 11,249.88-16,865.70-4,680.98

Finding the Fourth Proportional to 11,249.88, 16,865.70 and 4,680.98

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Solution

The fourth proportional to 11,249.88, 16,865.70 and 4,680.98 is: 7,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.88 : 16,865.70 = 4,680.98 : x
  2. Step 2: Convert to fraction form
    11,249.88/16,865.70 = 4,680.98/x
  3. Step 3: Cross multiply
    11,249.88x = 16,865.70 × 4,680.98
  4. Step 4: Simplify right side
    11,249.88x = 78,948,004.39
  5. Step 5: Solve for x
    x = 78,948,004.39/11,249.88
  6. Step 6: Final answer
    x = 7,017.68

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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.