Home / 17,659.43-26,447.62-8,279.25

Finding the Fourth Proportional to 17,659.43, 26,447.62 and 8,279.25

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Solution

The fourth proportional to 17,659.43, 26,447.62 and 8,279.25 is: 12,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,659.43 : 26,447.62 = 8,279.25 : x
  2. Step 2: Convert to fraction form
    17,659.43/26,447.62 = 8,279.25/x
  3. Step 3: Cross multiply
    17,659.43x = 26,447.62 × 8,279.25
  4. Step 4: Simplify right side
    17,659.43x = 218,966,457.89
  5. Step 5: Solve for x
    x = 218,966,457.89/17,659.43
  6. Step 6: Final answer
    x = 12,399.41

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1.5x scale

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.