Home / 10,262.12-15,390.97-3,242.67

Finding the Fourth Proportional to 10,262.12, 15,390.97 and 3,242.67

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Solution

The fourth proportional to 10,262.12, 15,390.97 and 3,242.67 is: 4,863.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,262.12 : 15,390.97 = 3,242.67 : x
  2. Step 2: Convert to fraction form
    10,262.12/15,390.97 = 3,242.67/x
  3. Step 3: Cross multiply
    10,262.12x = 15,390.97 × 3,242.67
  4. Step 4: Simplify right side
    10,262.12x = 49,907,828.58
  5. Step 5: Solve for x
    x = 49,907,828.58/10,262.12
  6. Step 6: Final answer
    x = 4,863.31

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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.