Home / 13,943.80-19,234.02-9,229.60

Finding the Fourth Proportional to 13,943.80, 19,234.02 and 9,229.60

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Solution

The fourth proportional to 13,943.80, 19,234.02 and 9,229.60 is: 12,731.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.80 : 19,234.02 = 9,229.60 : x
  2. Step 2: Convert to fraction form
    13,943.80/19,234.02 = 9,229.60/x
  3. Step 3: Cross multiply
    13,943.80x = 19,234.02 × 9,229.60
  4. Step 4: Simplify right side
    13,943.80x = 177,522,310.99
  5. Step 5: Solve for x
    x = 177,522,310.99/13,943.80
  6. Step 6: Final answer
    x = 12,731.27

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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.