Home / 18,747.41-28,107.18-11,350.10

Finding the Fourth Proportional to 18,747.41, 28,107.18 and 11,350.10

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Solution

The fourth proportional to 18,747.41, 28,107.18 and 11,350.10 is: 17,016.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.41 : 28,107.18 = 11,350.10 : x
  2. Step 2: Convert to fraction form
    18,747.41/28,107.18 = 11,350.10/x
  3. Step 3: Cross multiply
    18,747.41x = 28,107.18 × 11,350.10
  4. Step 4: Simplify right side
    18,747.41x = 319,019,163.18
  5. Step 5: Solve for x
    x = 319,019,163.18/18,747.41
  6. Step 6: Final answer
    x = 17,016.71

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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.