Home / 10,274.18-15,413.70-4,427.60

Finding the Fourth Proportional to 10,274.18, 15,413.70 and 4,427.60

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Solution

The fourth proportional to 10,274.18, 15,413.70 and 4,427.60 is: 6,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.18 : 15,413.70 = 4,427.60 : x
  2. Step 2: Convert to fraction form
    10,274.18/15,413.70 = 4,427.60/x
  3. Step 3: Cross multiply
    10,274.18x = 15,413.70 × 4,427.60
  4. Step 4: Simplify right side
    10,274.18x = 68,245,698.12
  5. Step 5: Solve for x
    x = 68,245,698.12/10,274.18
  6. Step 6: Final answer
    x = 6,642.45

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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.