Home / 11,166.30-16,749.45-8,250.30

Finding the Fourth Proportional to 11,166.30, 16,749.45 and 8,250.30

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Solution

The fourth proportional to 11,166.30, 16,749.45 and 8,250.30 is: 12,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.30 : 16,749.45 = 8,250.30 : x
  2. Step 2: Convert to fraction form
    11,166.30/16,749.45 = 8,250.30/x
  3. Step 3: Cross multiply
    11,166.30x = 16,749.45 × 8,250.30
  4. Step 4: Simplify right side
    11,166.30x = 138,187,987.34
  5. Step 5: Solve for x
    x = 138,187,987.34/11,166.30
  6. Step 6: Final answer
    x = 12,375.45

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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.