Home / 11,217.69-16,804.58-8,250.75

Finding the Fourth Proportional to 11,217.69, 16,804.58 and 8,250.75

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Solution

The fourth proportional to 11,217.69, 16,804.58 and 8,250.75 is: 12,359.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.69 : 16,804.58 = 8,250.75 : x
  2. Step 2: Convert to fraction form
    11,217.69/16,804.58 = 8,250.75/x
  3. Step 3: Cross multiply
    11,217.69x = 16,804.58 × 8,250.75
  4. Step 4: Simplify right side
    11,217.69x = 138,650,347.18
  5. Step 5: Solve for x
    x = 138,650,347.18/11,217.69
  6. Step 6: Final answer
    x = 12,359.97

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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.