Home / 18,560.31-27,844.56-5,413.71

Finding the Fourth Proportional to 18,560.31, 27,844.56 and 5,413.71

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Solution

The fourth proportional to 18,560.31, 27,844.56 and 5,413.71 is: 8,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,560.31 : 27,844.56 = 5,413.71 : x
  2. Step 2: Convert to fraction form
    18,560.31/27,844.56 = 5,413.71/x
  3. Step 3: Cross multiply
    18,560.31x = 27,844.56 × 5,413.71
  4. Step 4: Simplify right side
    18,560.31x = 150,742,372.92
  5. Step 5: Solve for x
    x = 150,742,372.92/18,560.31
  6. Step 6: Final answer
    x = 8,121.76

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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.