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Finding the Fourth Proportional to 17,107.99, 25,661.71 and 14,180.11

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Solution

The fourth proportional to 17,107.99, 25,661.71 and 14,180.11 is: 21,269.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,107.99 : 25,661.71 = 14,180.11 : x
  2. Step 2: Convert to fraction form
    17,107.99/25,661.71 = 14,180.11/x
  3. Step 3: Cross multiply
    17,107.99x = 25,661.71 × 14,180.11
  4. Step 4: Simplify right side
    17,107.99x = 363,885,824.16
  5. Step 5: Solve for x
    x = 363,885,824.16/17,107.99
  6. Step 6: Final answer
    x = 21,269.94

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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.