Home / 11,691.41-17,537.17-2,926.30

Finding the Fourth Proportional to 11,691.41, 17,537.17 and 2,926.30

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Solution

The fourth proportional to 11,691.41, 17,537.17 and 2,926.30 is: 4,389.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691.41 : 17,537.17 = 2,926.30 : x
  2. Step 2: Convert to fraction form
    11,691.41/17,537.17 = 2,926.30/x
  3. Step 3: Cross multiply
    11,691.41x = 17,537.17 × 2,926.30
  4. Step 4: Simplify right side
    11,691.41x = 51,319,020.57
  5. Step 5: Solve for x
    x = 51,319,020.57/11,691.41
  6. Step 6: Final answer
    x = 4,389.46

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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.