Home / 17,854.09-26,785.19-12,309.64

Finding the Fourth Proportional to 17,854.09, 26,785.19 and 12,309.64

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Solution

The fourth proportional to 17,854.09, 26,785.19 and 12,309.64 is: 18,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,854.09 : 26,785.19 = 12,309.64 : x
  2. Step 2: Convert to fraction form
    17,854.09/26,785.19 = 12,309.64/x
  3. Step 3: Cross multiply
    17,854.09x = 26,785.19 × 12,309.64
  4. Step 4: Simplify right side
    17,854.09x = 329,716,046.23
  5. Step 5: Solve for x
    x = 329,716,046.23/17,854.09
  6. Step 6: Final answer
    x = 18,467.26

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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.