Home / 10,322.20-15,481.14-3,392.92

Finding the Fourth Proportional to 10,322.20, 15,481.14 and 3,392.92

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Solution

The fourth proportional to 10,322.20, 15,481.14 and 3,392.92 is: 5,088.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,322.20 : 15,481.14 = 3,392.92 : x
  2. Step 2: Convert to fraction form
    10,322.20/15,481.14 = 3,392.92/x
  3. Step 3: Cross multiply
    10,322.20x = 15,481.14 × 3,392.92
  4. Step 4: Simplify right side
    10,322.20x = 52,526,269.53
  5. Step 5: Solve for x
    x = 52,526,269.53/10,322.20
  6. Step 6: Final answer
    x = 5,088.67

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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.