Home / 17,638.20-24,344.80-11,339.64

Finding the Fourth Proportional to 17,638.20, 24,344.80 and 11,339.64

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Solution

The fourth proportional to 17,638.20, 24,344.80 and 11,339.64 is: 15,651.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.20 : 24,344.80 = 11,339.64 : x
  2. Step 2: Convert to fraction form
    17,638.20/24,344.80 = 11,339.64/x
  3. Step 3: Cross multiply
    17,638.20x = 24,344.80 × 11,339.64
  4. Step 4: Simplify right side
    17,638.20x = 276,061,267.87
  5. Step 5: Solve for x
    x = 276,061,267.87/17,638.20
  6. Step 6: Final answer
    x = 15,651.33

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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.