Home / 11,431.62-17,148.09-4,411.67

Finding the Fourth Proportional to 11,431.62, 17,148.09 and 4,411.67

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Solution

The fourth proportional to 11,431.62, 17,148.09 and 4,411.67 is: 6,617.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431.62 : 17,148.09 = 4,411.67 : x
  2. Step 2: Convert to fraction form
    11,431.62/17,148.09 = 4,411.67/x
  3. Step 3: Cross multiply
    11,431.62x = 17,148.09 × 4,411.67
  4. Step 4: Simplify right side
    11,431.62x = 75,651,714.21
  5. Step 5: Solve for x
    x = 75,651,714.21/11,431.62
  6. Step 6: Final answer
    x = 6,617.76

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1.5x scale

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.