Home / 15,413.40-23,115-5,022.72

Finding the Fourth Proportional to 15,413.40, 23,115 and 5,022.72

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Solution

The fourth proportional to 15,413.40, 23,115 and 5,022.72 is: 7,532.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.40 : 23,115 = 5,022.72 : x
  2. Step 2: Convert to fraction form
    15,413.40/23,115 = 5,022.72/x
  3. Step 3: Cross multiply
    15,413.40x = 23,115 × 5,022.72
  4. Step 4: Simplify right side
    15,413.40x = 116,100,172.80
  5. Step 5: Solve for x
    x = 116,100,172.80/15,413.40
  6. Step 6: Final answer
    x = 7,532.42

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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.