Home / 15,540.80-23,319.30-6,776.60

Finding the Fourth Proportional to 15,540.80, 23,319.30 and 6,776.60

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Solution

The fourth proportional to 15,540.80, 23,319.30 and 6,776.60 is: 10,168.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540.80 : 23,319.30 = 6,776.60 : x
  2. Step 2: Convert to fraction form
    15,540.80/23,319.30 = 6,776.60/x
  3. Step 3: Cross multiply
    15,540.80x = 23,319.30 × 6,776.60
  4. Step 4: Simplify right side
    15,540.80x = 158,025,568.38
  5. Step 5: Solve for x
    x = 158,025,568.38/15,540.80
  6. Step 6: Final answer
    x = 10,168.43

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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.