Home / 17,131.40-25,634.80-14,142.03

Finding the Fourth Proportional to 17,131.40, 25,634.80 and 14,142.03

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Solution

The fourth proportional to 17,131.40, 25,634.80 and 14,142.03 is: 21,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,131.40 : 25,634.80 = 14,142.03 : x
  2. Step 2: Convert to fraction form
    17,131.40/25,634.80 = 14,142.03/x
  3. Step 3: Cross multiply
    17,131.40x = 25,634.80 × 14,142.03
  4. Step 4: Simplify right side
    17,131.40x = 362,528,110.64
  5. Step 5: Solve for x
    x = 362,528,110.64/17,131.40
  6. Step 6: Final answer
    x = 21,161.62

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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.