Home / 18,413.20-27,619.71-5,265.52

Finding the Fourth Proportional to 18,413.20, 27,619.71 and 5,265.52

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Solution

The fourth proportional to 18,413.20, 27,619.71 and 5,265.52 is: 7,898.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413.20 : 27,619.71 = 5,265.52 : x
  2. Step 2: Convert to fraction form
    18,413.20/27,619.71 = 5,265.52/x
  3. Step 3: Cross multiply
    18,413.20x = 27,619.71 × 5,265.52
  4. Step 4: Simplify right side
    18,413.20x = 145,432,135.40
  5. Step 5: Solve for x
    x = 145,432,135.40/18,413.20
  6. Step 6: Final answer
    x = 7,898.25

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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.