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Finding the Fourth Proportional to 17,564.92, 26,347.24 and 7,169.38

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Solution

The fourth proportional to 17,564.92, 26,347.24 and 7,169.38 is: 10,754.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,564.92 : 26,347.24 = 7,169.38 : x
  2. Step 2: Convert to fraction form
    17,564.92/26,347.24 = 7,169.38/x
  3. Step 3: Cross multiply
    17,564.92x = 26,347.24 × 7,169.38
  4. Step 4: Simplify right side
    17,564.92x = 188,893,375.51
  5. Step 5: Solve for x
    x = 188,893,375.51/17,564.92
  6. Step 6: Final answer
    x = 10,754.01

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1.5x scale

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.