Home / 17,279.82-23,844.92-9,725.76

Finding the Fourth Proportional to 17,279.82, 23,844.92 and 9,725.76

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Solution

The fourth proportional to 17,279.82, 23,844.92 and 9,725.76 is: 13,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,279.82 : 23,844.92 = 9,725.76 : x
  2. Step 2: Convert to fraction form
    17,279.82/23,844.92 = 9,725.76/x
  3. Step 3: Cross multiply
    17,279.82x = 23,844.92 × 9,725.76
  4. Step 4: Simplify right side
    17,279.82x = 231,909,920.51
  5. Step 5: Solve for x
    x = 231,909,920.51/17,279.82
  6. Step 6: Final answer
    x = 13,420.85

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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.