Home / 12,940.60-17,844.03-9,949.84

Finding the Fourth Proportional to 12,940.60, 17,844.03 and 9,949.84

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Solution

The fourth proportional to 12,940.60, 17,844.03 and 9,949.84 is: 13,720.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940.60 : 17,844.03 = 9,949.84 : x
  2. Step 2: Convert to fraction form
    12,940.60/17,844.03 = 9,949.84/x
  3. Step 3: Cross multiply
    12,940.60x = 17,844.03 × 9,949.84
  4. Step 4: Simplify right side
    12,940.60x = 177,545,243.46
  5. Step 5: Solve for x
    x = 177,545,243.46/12,940.60
  6. Step 6: Final answer
    x = 13,720.02

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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.