Home / 10,553.44-15,835.56-4,318.06

Finding the Fourth Proportional to 10,553.44, 15,835.56 and 4,318.06

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Solution

The fourth proportional to 10,553.44, 15,835.56 and 4,318.06 is: 6,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.44 : 15,835.56 = 4,318.06 : x
  2. Step 2: Convert to fraction form
    10,553.44/15,835.56 = 4,318.06/x
  3. Step 3: Cross multiply
    10,553.44x = 15,835.56 × 4,318.06
  4. Step 4: Simplify right side
    10,553.44x = 68,378,898.21
  5. Step 5: Solve for x
    x = 68,378,898.21/10,553.44
  6. Step 6: Final answer
    x = 6,479.30

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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.