Home / 10,553.72-15,824.73-4,318.11

Finding the Fourth Proportional to 10,553.72, 15,824.73 and 4,318.11

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Solution

The fourth proportional to 10,553.72, 15,824.73 and 4,318.11 is: 6,474.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.72 : 15,824.73 = 4,318.11 : x
  2. Step 2: Convert to fraction form
    10,553.72/15,824.73 = 4,318.11/x
  3. Step 3: Cross multiply
    10,553.72x = 15,824.73 × 4,318.11
  4. Step 4: Simplify right side
    10,553.72x = 68,332,845.74
  5. Step 5: Solve for x
    x = 68,332,845.74/10,553.72
  6. Step 6: Final answer
    x = 6,474.76

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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.