Home / 14,273.92-21,410.64-3,885.28

Finding the Fourth Proportional to 14,273.92, 21,410.64 and 3,885.28

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Solution

The fourth proportional to 14,273.92, 21,410.64 and 3,885.28 is: 5,827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.92 : 21,410.64 = 3,885.28 : x
  2. Step 2: Convert to fraction form
    14,273.92/21,410.64 = 3,885.28/x
  3. Step 3: Cross multiply
    14,273.92x = 21,410.64 × 3,885.28
  4. Step 4: Simplify right side
    14,273.92x = 83,186,331.38
  5. Step 5: Solve for x
    x = 83,186,331.38/14,273.92
  6. Step 6: Final answer
    x = 5,827.85

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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.