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Finding the Fourth Proportional to 17,520.69, 24,183.69 and 9,971.22

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Solution

The fourth proportional to 17,520.69, 24,183.69 and 9,971.22 is: 13,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.69 : 24,183.69 = 9,971.22 : x
  2. Step 2: Convert to fraction form
    17,520.69/24,183.69 = 9,971.22/x
  3. Step 3: Cross multiply
    17,520.69x = 24,183.69 × 9,971.22
  4. Step 4: Simplify right side
    17,520.69x = 241,140,893.40
  5. Step 5: Solve for x
    x = 241,140,893.40/17,520.69
  6. Step 6: Final answer
    x = 13,763.21

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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.