Home / 14,281.56-21,424.62-4,919.27

Finding the Fourth Proportional to 14,281.56, 21,424.62 and 4,919.27

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Solution

The fourth proportional to 14,281.56, 21,424.62 and 4,919.27 is: 7,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.56 : 21,424.62 = 4,919.27 : x
  2. Step 2: Convert to fraction form
    14,281.56/21,424.62 = 4,919.27/x
  3. Step 3: Cross multiply
    14,281.56x = 21,424.62 × 4,919.27
  4. Step 4: Simplify right side
    14,281.56x = 105,393,383.30
  5. Step 5: Solve for x
    x = 105,393,383.30/14,281.56
  6. Step 6: Final answer
    x = 7,379.68

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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.