Home / 17,138.58-25,707.60-5,451.66

Finding the Fourth Proportional to 17,138.58, 25,707.60 and 5,451.66

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Solution

The fourth proportional to 17,138.58, 25,707.60 and 5,451.66 is: 8,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,138.58 : 25,707.60 = 5,451.66 : x
  2. Step 2: Convert to fraction form
    17,138.58/25,707.60 = 5,451.66/x
  3. Step 3: Cross multiply
    17,138.58x = 25,707.60 × 5,451.66
  4. Step 4: Simplify right side
    17,138.58x = 140,149,094.62
  5. Step 5: Solve for x
    x = 140,149,094.62/17,138.58
  6. Step 6: Final answer
    x = 8,177.40

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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.