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Finding the Fourth Proportional to 17,651.71, 24,343.11 and 11,994.94

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Solution

The fourth proportional to 17,651.71, 24,343.11 and 11,994.94 is: 16,541.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,651.71 : 24,343.11 = 11,994.94 : x
  2. Step 2: Convert to fraction form
    17,651.71/24,343.11 = 11,994.94/x
  3. Step 3: Cross multiply
    17,651.71x = 24,343.11 × 11,994.94
  4. Step 4: Simplify right side
    17,651.71x = 291,994,143.86
  5. Step 5: Solve for x
    x = 291,994,143.86/17,651.71
  6. Step 6: Final answer
    x = 16,541.97

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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.