Home / 18,185.66-27,275.39-5,034.95

Finding the Fourth Proportional to 18,185.66, 27,275.39 and 5,034.95

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Solution

The fourth proportional to 18,185.66, 27,275.39 and 5,034.95 is: 7,551.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185.66 : 27,275.39 = 5,034.95 : x
  2. Step 2: Convert to fraction form
    18,185.66/27,275.39 = 5,034.95/x
  3. Step 3: Cross multiply
    18,185.66x = 27,275.39 × 5,034.95
  4. Step 4: Simplify right side
    18,185.66x = 137,330,224.88
  5. Step 5: Solve for x
    x = 137,330,224.88/18,185.66
  6. Step 6: Final answer
    x = 7,551.57

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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.