Home / 17,138.32-25,705.24-5,451.60

Finding the Fourth Proportional to 17,138.32, 25,705.24 and 5,451.60

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Solution

The fourth proportional to 17,138.32, 25,705.24 and 5,451.60 is: 8,176.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,138.32 : 25,705.24 = 5,451.60 : x
  2. Step 2: Convert to fraction form
    17,138.32/25,705.24 = 5,451.60/x
  3. Step 3: Cross multiply
    17,138.32x = 25,705.24 × 5,451.60
  4. Step 4: Simplify right side
    17,138.32x = 140,134,686.38
  5. Step 5: Solve for x
    x = 140,134,686.38/17,138.32
  6. Step 6: Final answer
    x = 8,176.69

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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.