Home / 17,215.88-23,758.39-9,662.68

Finding the Fourth Proportional to 17,215.88, 23,758.39 and 9,662.68

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Solution

The fourth proportional to 17,215.88, 23,758.39 and 9,662.68 is: 13,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215.88 : 23,758.39 = 9,662.68 : x
  2. Step 2: Convert to fraction form
    17,215.88/23,758.39 = 9,662.68/x
  3. Step 3: Cross multiply
    17,215.88x = 23,758.39 × 9,662.68
  4. Step 4: Simplify right side
    17,215.88x = 229,569,695.73
  5. Step 5: Solve for x
    x = 229,569,695.73/17,215.88
  6. Step 6: Final answer
    x = 13,334.76

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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.