Home / 13,173.26-18,179.10-9,196.68

Finding the Fourth Proportional to 13,173.26, 18,179.10 and 9,196.68

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Solution

The fourth proportional to 13,173.26, 18,179.10 and 9,196.68 is: 12,691.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.26 : 18,179.10 = 9,196.68 : x
  2. Step 2: Convert to fraction form
    13,173.26/18,179.10 = 9,196.68/x
  3. Step 3: Cross multiply
    13,173.26x = 18,179.10 × 9,196.68
  4. Step 4: Simplify right side
    13,173.26x = 167,187,266.94
  5. Step 5: Solve for x
    x = 167,187,266.94/13,173.26
  6. Step 6: Final answer
    x = 12,691.41

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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.