Home / 14,379.31-21,565.72-5,609.71

Finding the Fourth Proportional to 14,379.31, 21,565.72 and 5,609.71

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Solution

The fourth proportional to 14,379.31, 21,565.72 and 5,609.71 is: 8,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.31 : 21,565.72 = 5,609.71 : x
  2. Step 2: Convert to fraction form
    14,379.31/21,565.72 = 5,609.71/x
  3. Step 3: Cross multiply
    14,379.31x = 21,565.72 × 5,609.71
  4. Step 4: Simplify right side
    14,379.31x = 120,977,388.24
  5. Step 5: Solve for x
    x = 120,977,388.24/14,379.31
  6. Step 6: Final answer
    x = 8,413.30

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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.