Home / 18,126.39-25,039.67-17,180.55

Finding the Fourth Proportional to 18,126.39, 25,039.67 and 17,180.55

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Solution

The fourth proportional to 18,126.39, 25,039.67 and 17,180.55 is: 23,733.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.39 : 25,039.67 = 17,180.55 : x
  2. Step 2: Convert to fraction form
    18,126.39/25,039.67 = 17,180.55/x
  3. Step 3: Cross multiply
    18,126.39x = 25,039.67 × 17,180.55
  4. Step 4: Simplify right side
    18,126.39x = 430,195,216.52
  5. Step 5: Solve for x
    x = 430,195,216.52/18,126.39
  6. Step 6: Final answer
    x = 23,733.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.