Home / 10,022.32-15,033.88-3,781.68

Finding the Fourth Proportional to 10,022.32, 15,033.88 and 3,781.68

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Solution

The fourth proportional to 10,022.32, 15,033.88 and 3,781.68 is: 5,672.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022.32 : 15,033.88 = 3,781.68 : x
  2. Step 2: Convert to fraction form
    10,022.32/15,033.88 = 3,781.68/x
  3. Step 3: Cross multiply
    10,022.32x = 15,033.88 × 3,781.68
  4. Step 4: Simplify right side
    10,022.32x = 56,853,323.32
  5. Step 5: Solve for x
    x = 56,853,323.32/10,022.32
  6. Step 6: Final answer
    x = 5,672.67

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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.