Home / 17,930.80-24,706.20-13,207.60

Finding the Fourth Proportional to 17,930.80, 24,706.20 and 13,207.60

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Solution

The fourth proportional to 17,930.80, 24,706.20 and 13,207.60 is: 18,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930.80 : 24,706.20 = 13,207.60 : x
  2. Step 2: Convert to fraction form
    17,930.80/24,706.20 = 13,207.60/x
  3. Step 3: Cross multiply
    17,930.80x = 24,706.20 × 13,207.60
  4. Step 4: Simplify right side
    17,930.80x = 326,309,607.12
  5. Step 5: Solve for x
    x = 326,309,607.12/17,930.80
  6. Step 6: Final answer
    x = 18,198.27

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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.