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Finding the Fourth Proportional to 11,460.80, 17,166.90 and 9,273.80

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Solution

The fourth proportional to 11,460.80, 17,166.90 and 9,273.80 is: 13,891.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,460.80 : 17,166.90 = 9,273.80 : x
  2. Step 2: Convert to fraction form
    11,460.80/17,166.90 = 9,273.80/x
  3. Step 3: Cross multiply
    11,460.80x = 17,166.90 × 9,273.80
  4. Step 4: Simplify right side
    11,460.80x = 159,202,397.22
  5. Step 5: Solve for x
    x = 159,202,397.22/11,460.80
  6. Step 6: Final answer
    x = 13,891.04

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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.