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Finding the Fourth Proportional to 17,691.02, 26,505.24 and 9,352.54

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Solution

The fourth proportional to 17,691.02, 26,505.24 and 9,352.54 is: 14,012.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,691.02 : 26,505.24 = 9,352.54 : x
  2. Step 2: Convert to fraction form
    17,691.02/26,505.24 = 9,352.54/x
  3. Step 3: Cross multiply
    17,691.02x = 26,505.24 × 9,352.54
  4. Step 4: Simplify right side
    17,691.02x = 247,891,317.31
  5. Step 5: Solve for x
    x = 247,891,317.31/17,691.02
  6. Step 6: Final answer
    x = 14,012.27

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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.