Home / 17,138.76-25,708.14-5,451.99

Finding the Fourth Proportional to 17,138.76, 25,708.14 and 5,451.99

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Solution

The fourth proportional to 17,138.76, 25,708.14 and 5,451.99 is: 8,177.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,138.76 : 25,708.14 = 5,451.99 : x
  2. Step 2: Convert to fraction form
    17,138.76/25,708.14 = 5,451.99/x
  3. Step 3: Cross multiply
    17,138.76x = 25,708.14 × 5,451.99
  4. Step 4: Simplify right side
    17,138.76x = 140,160,522.20
  5. Step 5: Solve for x
    x = 140,160,522.20/17,138.76
  6. Step 6: Final answer
    x = 8,177.99

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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.