Home / 17,310.72-23,899.68-11,351.04

Finding the Fourth Proportional to 17,310.72, 23,899.68 and 11,351.04

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Solution

The fourth proportional to 17,310.72, 23,899.68 and 11,351.04 is: 15,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,310.72 : 23,899.68 = 11,351.04 : x
  2. Step 2: Convert to fraction form
    17,310.72/23,899.68 = 11,351.04/x
  3. Step 3: Cross multiply
    17,310.72x = 23,899.68 × 11,351.04
  4. Step 4: Simplify right side
    17,310.72x = 271,286,223.67
  5. Step 5: Solve for x
    x = 271,286,223.67/17,310.72
  6. Step 6: Final answer
    x = 15,671.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.