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Finding the Fourth Proportional to 17,785.39, 24,544.05 and 9,827.54

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Solution

The fourth proportional to 17,785.39, 24,544.05 and 9,827.54 is: 13,562.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,785.39 : 24,544.05 = 9,827.54 : x
  2. Step 2: Convert to fraction form
    17,785.39/24,544.05 = 9,827.54/x
  3. Step 3: Cross multiply
    17,785.39x = 24,544.05 × 9,827.54
  4. Step 4: Simplify right side
    17,785.39x = 241,207,633.14
  5. Step 5: Solve for x
    x = 241,207,633.14/17,785.39
  6. Step 6: Final answer
    x = 13,562.13

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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.