Home / 19,766.38-29,640.24-6,615.22

Finding the Fourth Proportional to 19,766.38, 29,640.24 and 6,615.22

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Solution

The fourth proportional to 19,766.38, 29,640.24 and 6,615.22 is: 9,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.38 : 29,640.24 = 6,615.22 : x
  2. Step 2: Convert to fraction form
    19,766.38/29,640.24 = 6,615.22/x
  3. Step 3: Cross multiply
    19,766.38x = 29,640.24 × 6,615.22
  4. Step 4: Simplify right side
    19,766.38x = 196,076,708.45
  5. Step 5: Solve for x
    x = 196,076,708.45/19,766.38
  6. Step 6: Final answer
    x = 9,919.71

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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.