Home / 12,250.85-16,899.03-8,889.75

Finding the Fourth Proportional to 12,250.85, 16,899.03 and 8,889.75

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Solution

The fourth proportional to 12,250.85, 16,899.03 and 8,889.75 is: 12,262.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.85 : 16,899.03 = 8,889.75 : x
  2. Step 2: Convert to fraction form
    12,250.85/16,899.03 = 8,889.75/x
  3. Step 3: Cross multiply
    12,250.85x = 16,899.03 × 8,889.75
  4. Step 4: Simplify right side
    12,250.85x = 150,228,151.94
  5. Step 5: Solve for x
    x = 150,228,151.94/12,250.85
  6. Step 6: Final answer
    x = 12,262.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.