Home / 14,365.62-21,548.70-3,977.28

Finding the Fourth Proportional to 14,365.62, 21,548.70 and 3,977.28

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Solution

The fourth proportional to 14,365.62, 21,548.70 and 3,977.28 is: 5,965.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365.62 : 21,548.70 = 3,977.28 : x
  2. Step 2: Convert to fraction form
    14,365.62/21,548.70 = 3,977.28/x
  3. Step 3: Cross multiply
    14,365.62x = 21,548.70 × 3,977.28
  4. Step 4: Simplify right side
    14,365.62x = 85,705,213.54
  5. Step 5: Solve for x
    x = 85,705,213.54/14,365.62
  6. Step 6: Final answer
    x = 5,965.99

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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.