Home / 14,355.44-21,542.28-7,429.94

Finding the Fourth Proportional to 14,355.44, 21,542.28 and 7,429.94

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Solution

The fourth proportional to 14,355.44, 21,542.28 and 7,429.94 is: 11,149.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.44 : 21,542.28 = 7,429.94 : x
  2. Step 2: Convert to fraction form
    14,355.44/21,542.28 = 7,429.94/x
  3. Step 3: Cross multiply
    14,355.44x = 21,542.28 × 7,429.94
  4. Step 4: Simplify right side
    14,355.44x = 160,057,847.86
  5. Step 5: Solve for x
    x = 160,057,847.86/14,355.44
  6. Step 6: Final answer
    x = 11,149.63

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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.