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Finding the Fourth Proportional to 17,790.76, 24,551.22 and 9,832.90

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Solution

The fourth proportional to 17,790.76, 24,551.22 and 9,832.90 is: 13,569.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.76 : 24,551.22 = 9,832.90 : x
  2. Step 2: Convert to fraction form
    17,790.76/24,551.22 = 9,832.90/x
  3. Step 3: Cross multiply
    17,790.76x = 24,551.22 × 9,832.90
  4. Step 4: Simplify right side
    17,790.76x = 241,409,691.14
  5. Step 5: Solve for x
    x = 241,409,691.14/17,790.76
  6. Step 6: Final answer
    x = 13,569.39

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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.