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Finding the Fourth Proportional to 17,357.62, 23,953.50 and 9,399.84

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Solution

The fourth proportional to 17,357.62, 23,953.50 and 9,399.84 is: 12,971.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,357.62 : 23,953.50 = 9,399.84 : x
  2. Step 2: Convert to fraction form
    17,357.62/23,953.50 = 9,399.84/x
  3. Step 3: Cross multiply
    17,357.62x = 23,953.50 × 9,399.84
  4. Step 4: Simplify right side
    17,357.62x = 225,159,067.44
  5. Step 5: Solve for x
    x = 225,159,067.44/17,357.62
  6. Step 6: Final answer
    x = 12,971.77

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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.