Home / 14,396.54-21,578.42-8,761.77

Finding the Fourth Proportional to 14,396.54, 21,578.42 and 8,761.77

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Solution

The fourth proportional to 14,396.54, 21,578.42 and 8,761.77 is: 13,132.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396.54 : 21,578.42 = 8,761.77 : x
  2. Step 2: Convert to fraction form
    14,396.54/21,578.42 = 8,761.77/x
  3. Step 3: Cross multiply
    14,396.54x = 21,578.42 × 8,761.77
  4. Step 4: Simplify right side
    14,396.54x = 189,065,255.83
  5. Step 5: Solve for x
    x = 189,065,255.83/14,396.54
  6. Step 6: Final answer
    x = 13,132.69

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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.