Home / 17,020.80-23,440.32-12,297.60

Finding the Fourth Proportional to 17,020.80, 23,440.32 and 12,297.60

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Solution

The fourth proportional to 17,020.80, 23,440.32 and 12,297.60 is: 16,935.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,020.80 : 23,440.32 = 12,297.60 : x
  2. Step 2: Convert to fraction form
    17,020.80/23,440.32 = 12,297.60/x
  3. Step 3: Cross multiply
    17,020.80x = 23,440.32 × 12,297.60
  4. Step 4: Simplify right side
    17,020.80x = 288,259,679.23
  5. Step 5: Solve for x
    x = 288,259,679.23/17,020.80
  6. Step 6: Final answer
    x = 16,935.73

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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.