Home / 10,427.48-15,628.11-7,450.43

Finding the Fourth Proportional to 10,427.48, 15,628.11 and 7,450.43

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Solution

The fourth proportional to 10,427.48, 15,628.11 and 7,450.43 is: 11,166.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.48 : 15,628.11 = 7,450.43 : x
  2. Step 2: Convert to fraction form
    10,427.48/15,628.11 = 7,450.43/x
  3. Step 3: Cross multiply
    10,427.48x = 15,628.11 × 7,450.43
  4. Step 4: Simplify right side
    10,427.48x = 116,436,121.42
  5. Step 5: Solve for x
    x = 116,436,121.42/10,427.48
  6. Step 6: Final answer
    x = 11,166.27

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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.