Home / 10,538.82-15,809.13-2,747.63

Finding the Fourth Proportional to 10,538.82, 15,809.13 and 2,747.63

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Solution

The fourth proportional to 10,538.82, 15,809.13 and 2,747.63 is: 4,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.82 : 15,809.13 = 2,747.63 : x
  2. Step 2: Convert to fraction form
    10,538.82/15,809.13 = 2,747.63/x
  3. Step 3: Cross multiply
    10,538.82x = 15,809.13 × 2,747.63
  4. Step 4: Simplify right side
    10,538.82x = 43,437,560.82
  5. Step 5: Solve for x
    x = 43,437,560.82/10,538.82
  6. Step 6: Final answer
    x = 4,121.67

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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.