Home / 11,217.61-16,821.06-6,538.97

Finding the Fourth Proportional to 11,217.61, 16,821.06 and 6,538.97

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Solution

The fourth proportional to 11,217.61, 16,821.06 and 6,538.97 is: 9,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.61 : 16,821.06 = 6,538.97 : x
  2. Step 2: Convert to fraction form
    11,217.61/16,821.06 = 6,538.97/x
  3. Step 3: Cross multiply
    11,217.61x = 16,821.06 × 6,538.97
  4. Step 4: Simplify right side
    11,217.61x = 109,992,322.60
  5. Step 5: Solve for x
    x = 109,992,322.60/11,217.61
  6. Step 6: Final answer
    x = 9,805.33

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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.