Home / 11,691.90-17,537.88-2,926.80

Finding the Fourth Proportional to 11,691.90, 17,537.88 and 2,926.80

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Solution

The fourth proportional to 11,691.90, 17,537.88 and 2,926.80 is: 4,390.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691.90 : 17,537.88 = 2,926.80 : x
  2. Step 2: Convert to fraction form
    11,691.90/17,537.88 = 2,926.80/x
  3. Step 3: Cross multiply
    11,691.90x = 17,537.88 × 2,926.80
  4. Step 4: Simplify right side
    11,691.90x = 51,329,867.18
  5. Step 5: Solve for x
    x = 51,329,867.18/11,691.90
  6. Step 6: Final answer
    x = 4,390.21

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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.