Home / 18,185.18-27,277.76-5,037.55

Finding the Fourth Proportional to 18,185.18, 27,277.76 and 5,037.55

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Solution

The fourth proportional to 18,185.18, 27,277.76 and 5,037.55 is: 7,556.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185.18 : 27,277.76 = 5,037.55 : x
  2. Step 2: Convert to fraction form
    18,185.18/27,277.76 = 5,037.55/x
  3. Step 3: Cross multiply
    18,185.18x = 27,277.76 × 5,037.55
  4. Step 4: Simplify right side
    18,185.18x = 137,413,092.48
  5. Step 5: Solve for x
    x = 137,413,092.48/18,185.18
  6. Step 6: Final answer
    x = 7,556.32

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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.