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Finding the Fourth Proportional to 17,334.51, 23,921.22 and 9,780.65

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Solution

The fourth proportional to 17,334.51, 23,921.22 and 9,780.65 is: 13,497.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,334.51 : 23,921.22 = 9,780.65 : x
  2. Step 2: Convert to fraction form
    17,334.51/23,921.22 = 9,780.65/x
  3. Step 3: Cross multiply
    17,334.51x = 23,921.22 × 9,780.65
  4. Step 4: Simplify right side
    17,334.51x = 233,965,080.39
  5. Step 5: Solve for x
    x = 233,965,080.39/17,334.51
  6. Step 6: Final answer
    x = 13,497.07

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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.