Home / 17,115.21-25,673.73-5,429.34

Finding the Fourth Proportional to 17,115.21, 25,673.73 and 5,429.34

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Solution

The fourth proportional to 17,115.21, 25,673.73 and 5,429.34 is: 8,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.21 : 25,673.73 = 5,429.34 : x
  2. Step 2: Convert to fraction form
    17,115.21/25,673.73 = 5,429.34/x
  3. Step 3: Cross multiply
    17,115.21x = 25,673.73 × 5,429.34
  4. Step 4: Simplify right side
    17,115.21x = 139,391,409.24
  5. Step 5: Solve for x
    x = 139,391,409.24/17,115.21
  6. Step 6: Final answer
    x = 8,144.30

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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.