Home / 17,100.84-25,660.14-12,939.62

Finding the Fourth Proportional to 17,100.84, 25,660.14 and 12,939.62

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Solution

The fourth proportional to 17,100.84, 25,660.14 and 12,939.62 is: 19,416.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,100.84 : 25,660.14 = 12,939.62 : x
  2. Step 2: Convert to fraction form
    17,100.84/25,660.14 = 12,939.62/x
  3. Step 3: Cross multiply
    17,100.84x = 25,660.14 × 12,939.62
  4. Step 4: Simplify right side
    17,100.84x = 332,032,332.45
  5. Step 5: Solve for x
    x = 332,032,332.45/17,100.84
  6. Step 6: Final answer
    x = 19,416.14

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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.