Home / 17,391.36-26,086.08-12,716.16

Finding the Fourth Proportional to 17,391.36, 26,086.08 and 12,716.16

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Solution

The fourth proportional to 17,391.36, 26,086.08 and 12,716.16 is: 19,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,391.36 : 26,086.08 = 12,716.16 : x
  2. Step 2: Convert to fraction form
    17,391.36/26,086.08 = 12,716.16/x
  3. Step 3: Cross multiply
    17,391.36x = 26,086.08 × 12,716.16
  4. Step 4: Simplify right side
    17,391.36x = 331,714,767.05
  5. Step 5: Solve for x
    x = 331,714,767.05/17,391.36
  6. Step 6: Final answer
    x = 19,073.54

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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.