Home / 17,172.30-25,764.27-10,839.81

Finding the Fourth Proportional to 17,172.30, 25,764.27 and 10,839.81

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Solution

The fourth proportional to 17,172.30, 25,764.27 and 10,839.81 is: 16,263.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.30 : 25,764.27 = 10,839.81 : x
  2. Step 2: Convert to fraction form
    17,172.30/25,764.27 = 10,839.81/x
  3. Step 3: Cross multiply
    17,172.30x = 25,764.27 × 10,839.81
  4. Step 4: Simplify right side
    17,172.30x = 279,279,791.59
  5. Step 5: Solve for x
    x = 279,279,791.59/17,172.30
  6. Step 6: Final answer
    x = 16,263.39

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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.