Home / 17,409.92-26,109.34-5,720.44

Finding the Fourth Proportional to 17,409.92, 26,109.34 and 5,720.44

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Solution

The fourth proportional to 17,409.92, 26,109.34 and 5,720.44 is: 8,578.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,409.92 : 26,109.34 = 5,720.44 : x
  2. Step 2: Convert to fraction form
    17,409.92/26,109.34 = 5,720.44/x
  3. Step 3: Cross multiply
    17,409.92x = 26,109.34 × 5,720.44
  4. Step 4: Simplify right side
    17,409.92x = 149,356,912.91
  5. Step 5: Solve for x
    x = 149,356,912.91/17,409.92
  6. Step 6: Final answer
    x = 8,578.84

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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.