Home / 13,178.28-19,765.53-4,413.27

Finding the Fourth Proportional to 13,178.28, 19,765.53 and 4,413.27

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Solution

The fourth proportional to 13,178.28, 19,765.53 and 4,413.27 is: 6,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.28 : 19,765.53 = 4,413.27 : x
  2. Step 2: Convert to fraction form
    13,178.28/19,765.53 = 4,413.27/x
  3. Step 3: Cross multiply
    13,178.28x = 19,765.53 × 4,413.27
  4. Step 4: Simplify right side
    13,178.28x = 87,230,620.58
  5. Step 5: Solve for x
    x = 87,230,620.58/13,178.28
  6. Step 6: Final answer
    x = 6,619.27

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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.