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Finding the Fourth Proportional to 17,154.37, 25,743.86 and 7,300.57

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Solution

The fourth proportional to 17,154.37, 25,743.86 and 7,300.57 is: 10,956.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,154.37 : 25,743.86 = 7,300.57 : x
  2. Step 2: Convert to fraction form
    17,154.37/25,743.86 = 7,300.57/x
  3. Step 3: Cross multiply
    17,154.37x = 25,743.86 × 7,300.57
  4. Step 4: Simplify right side
    17,154.37x = 187,944,852.00
  5. Step 5: Solve for x
    x = 187,944,852.00/17,154.37
  6. Step 6: Final answer
    x = 10,956.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.