Home / 18,564.86-27,844.55-5,413.70

Finding the Fourth Proportional to 18,564.86, 27,844.55 and 5,413.70

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Solution

The fourth proportional to 18,564.86, 27,844.55 and 5,413.70 is: 8,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.86 : 27,844.55 = 5,413.70 : x
  2. Step 2: Convert to fraction form
    18,564.86/27,844.55 = 5,413.70/x
  3. Step 3: Cross multiply
    18,564.86x = 27,844.55 × 5,413.70
  4. Step 4: Simplify right side
    18,564.86x = 150,742,040.34
  5. Step 5: Solve for x
    x = 150,742,040.34/18,564.86
  6. Step 6: Final answer
    x = 8,119.75

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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.