Home / 17,439.16-26,142-11,181.64

Finding the Fourth Proportional to 17,439.16, 26,142 and 11,181.64

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Solution

The fourth proportional to 17,439.16, 26,142 and 11,181.64 is: 16,761.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,439.16 : 26,142 = 11,181.64 : x
  2. Step 2: Convert to fraction form
    17,439.16/26,142 = 11,181.64/x
  3. Step 3: Cross multiply
    17,439.16x = 26,142 × 11,181.64
  4. Step 4: Simplify right side
    17,439.16x = 292,310,432.88
  5. Step 5: Solve for x
    x = 292,310,432.88/17,439.16
  6. Step 6: Final answer
    x = 16,761.73

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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.