Home / 14,379.12-21,565.44-5,609.52

Finding the Fourth Proportional to 14,379.12, 21,565.44 and 5,609.52

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Solution

The fourth proportional to 14,379.12, 21,565.44 and 5,609.52 is: 8,413.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.12 : 21,565.44 = 5,609.52 : x
  2. Step 2: Convert to fraction form
    14,379.12/21,565.44 = 5,609.52/x
  3. Step 3: Cross multiply
    14,379.12x = 21,565.44 × 5,609.52
  4. Step 4: Simplify right side
    14,379.12x = 120,971,766.99
  5. Step 5: Solve for x
    x = 120,971,766.99/14,379.12
  6. Step 6: Final answer
    x = 8,413.02

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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.