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Finding the Fourth Proportional to 17,208.60, 23,746.43 and 9,653.88

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Solution

The fourth proportional to 17,208.60, 23,746.43 and 9,653.88 is: 13,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,208.60 : 23,746.43 = 9,653.88 : x
  2. Step 2: Convert to fraction form
    17,208.60/23,746.43 = 9,653.88/x
  3. Step 3: Cross multiply
    17,208.60x = 23,746.43 × 9,653.88
  4. Step 4: Simplify right side
    17,208.60x = 229,245,185.65
  5. Step 5: Solve for x
    x = 229,245,185.65/17,208.60
  6. Step 6: Final answer
    x = 13,321.55

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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.