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Finding the Fourth Proportional to 17,053.13, 25,571.95 and 7,187.03

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Solution

The fourth proportional to 17,053.13, 25,571.95 and 7,187.03 is: 10,777.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,053.13 : 25,571.95 = 7,187.03 : x
  2. Step 2: Convert to fraction form
    17,053.13/25,571.95 = 7,187.03/x
  3. Step 3: Cross multiply
    17,053.13x = 25,571.95 × 7,187.03
  4. Step 4: Simplify right side
    17,053.13x = 183,786,208.01
  5. Step 5: Solve for x
    x = 183,786,208.01/17,053.13
  6. Step 6: Final answer
    x = 10,777.27

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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.