Home / 18,185.51-27,278.17-5,037.53

Finding the Fourth Proportional to 18,185.51, 27,278.17 and 5,037.53

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Solution

The fourth proportional to 18,185.51, 27,278.17 and 5,037.53 is: 7,556.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185.51 : 27,278.17 = 5,037.53 : x
  2. Step 2: Convert to fraction form
    18,185.51/27,278.17 = 5,037.53/x
  3. Step 3: Cross multiply
    18,185.51x = 27,278.17 × 5,037.53
  4. Step 4: Simplify right side
    18,185.51x = 137,414,450.74
  5. Step 5: Solve for x
    x = 137,414,450.74/18,185.51
  6. Step 6: Final answer
    x = 7,556.26

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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.