Home / 17,116.74-25,658.10-11,911.68

Finding the Fourth Proportional to 17,116.74, 25,658.10 and 11,911.68

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Solution

The fourth proportional to 17,116.74, 25,658.10 and 11,911.68 is: 17,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,116.74 : 25,658.10 = 11,911.68 : x
  2. Step 2: Convert to fraction form
    17,116.74/25,658.10 = 11,911.68/x
  3. Step 3: Cross multiply
    17,116.74x = 25,658.10 × 11,911.68
  4. Step 4: Simplify right side
    17,116.74x = 305,631,076.61
  5. Step 5: Solve for x
    x = 305,631,076.61/17,116.74
  6. Step 6: Final answer
    x = 17,855.68

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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.