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Finding the Fourth Proportional to 17,243.20, 25,866.81 and 6,151.45

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Solution

The fourth proportional to 17,243.20, 25,866.81 and 6,151.45 is: 9,227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,243.20 : 25,866.81 = 6,151.45 : x
  2. Step 2: Convert to fraction form
    17,243.20/25,866.81 = 6,151.45/x
  3. Step 3: Cross multiply
    17,243.20x = 25,866.81 × 6,151.45
  4. Step 4: Simplify right side
    17,243.20x = 159,118,388.37
  5. Step 5: Solve for x
    x = 159,118,388.37/17,243.20
  6. Step 6: Final answer
    x = 9,227.89

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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.