Home / 18,443.46-25,450.56-11,370

Finding the Fourth Proportional to 18,443.46, 25,450.56 and 11,370

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Solution

The fourth proportional to 18,443.46, 25,450.56 and 11,370 is: 15,689.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.46 : 25,450.56 = 11,370 : x
  2. Step 2: Convert to fraction form
    18,443.46/25,450.56 = 11,370/x
  3. Step 3: Cross multiply
    18,443.46x = 25,450.56 × 11,370
  4. Step 4: Simplify right side
    18,443.46x = 289,372,867.20
  5. Step 5: Solve for x
    x = 289,372,867.20/18,443.46
  6. Step 6: Final answer
    x = 15,689.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.